The interpretation timeline
Psalm 64:10 Douay-Rheims

Thou hast visited the earth, and hast plentifully watered it; thou hast many ways enriched it. The river of God is filled with water, thou hast prepared their food: for so is its preparation.

A.D. 389 – 1849 5 witnesses 6 excerpts

Patristic

before A.D. 750
389
A.D.
A.D. 329–390
“Only let us recognize the purpose of the evil. Why have the crops withered, our storehouses been emptied, the pastures of our flocks failed, the fruits of the earth been withheld and the plains been filled with shame instead of such fatness? Why have valleys lamented and not abounded in corn, the mountains not dropped sweetness, as they shall do hereafter to the righteous, but been stripped and dishonored and received on the contrary the curse of Gilboa? The whole earth has become as it was in the beginning, before it was adorned with its beauties. "You visited the earth and made it to drink," but the visitation has been for evil and the draught destructive.”
Source
430
A.D.
Augustine of Hippo Patristic
A.D. 354–430
“"Thou hast visited the earth, and hast inebriated it" [Psalm 65:9]. Whence hast inebriated the earth? "Thy cup inebriating how glorious it is!" "Thou hast visited the earth, and hast inebriated it." Thou hast sent Thy clouds, they have rained down the preaching of the truth, inebriated is the earth. "Thou hast multiplied to enrich it." Whence? "The river of God is filled with water." What is the river of God? The people of God. The first people was filled with water, wherewith the rest of the earth might be watered. Hear Him promising water: "If any man thirst, let him come to Me and drink: he that believeth on Me, rivers of living water from his belly shall flow:" [John 7:37-38] if rivers, one river also; for in respect of unity many are one. Many Churches and one Church, many faithful and one Bride of Christ: so many rivers and one river. Many Israelites believed, and were fulfilled with the Holy Spirit; from thence they were scattered abroad through the nations, they began to preach the truth, and from the river of God that was filled with water, was the whole earth watered. "Thou hast prepared food for them: because thus is Thy preparing." Not because they have deserved of Thee, whom Thou hast forgiven sins: the merits of them were evil, but Thou for Thy mercy's sake, "because thus is Thy preparing," thus "Thou hast prepared food for them."”
Source
“"The furrows thereof inebriate You" [Psalm 65:10]. Let there be made therefore at first furrows to be inebriated: let the hardness of our breast be opened with the share of the word of God, "The furrows thereof inebriate You: multiply the generations thereof." We see, they believe, and by them believing other men believe, and because of those others believe; and it is not sufficient for one man, that having become himself a believer, he should gain one. So is multiplied seed too: a few grains are scattered, and fields spring up. "In the drops thereof it shall rejoice, when it shall rise up." That is, before it be perchance enlarged to the bulk of a river, "when it shall rise up, in its drops," that is, in those meet for it, "it shall rejoice." For upon those that are yet babes, and upon the weak, are dropped some portions of the sacraments, because they cannot receive the fullness of the truth. Hear in what manner he drops upon babes, while they are rising up, that is, in their recent rising having small capacities: the Apostle says, "To you I could not speak as if to spiritual, but as if to carnal, as if to babes in Christ." [1 Corinthians 3:1] When he says, "to babes in Christ," he speaks of them as already risen up, but not yet meet to receive that plenteous wisdom, whereof he says, "Wisdom we speak among perfect men." [1 Corinthians 2:6] Let it rejoice in its drops, while it is rising up and is growing, when strengthened it shall receive wisdom also: in the same manner as an infant is fed with milk, and becomes fit for meat, and nevertheless at first out of that very meat for which it was not fit, for it milk is made.”
Source

Scholastic

c. 1100 – 1500
1105
A.D.
Rashi Jewish
1040–1105
“You remember the earth When You wish to do good, You remember the earth and water it. You enrich it greatly You enrich it greatly from Your stream, which is full of water, and You prepare therewith the corn of the dwellers of “the ends,” for therewith You prepare it.”

Post-Reformation

c. 1650 – 1900
1771
A.D.
John Gill Reformed
1697–1771
“Thou waterest the ridges thereof abundantly,.... Kimchi calls them the eminences of the earth, the little hills, the higher parts of ploughed land; those which lie between furrow and furrow seem to be meant, which being watered with rain become lower, and are made fruitful: these may denote such as are lifted up with their own imaginary purity and righteousness; and who, when the grace of God takes hold upon them, are humbled, and confess themselves the chief of sinners and the least of saints, renounce their own righteousness, and submit to Christ's; thou settlest the furrows thereof; or "thou causest the rain to descend into the furrows thereof" (p); which fills them, and makes them fruitful; and may design humble souls, whom the Lord fills with his good things, and makes them fruitful in every good work; thou makest it soft with showers; which through drought is become like iron and brass, and, without large and heavy showers, as the word (q) used signifies, and these repeated, it is so hard, that no impressions can be made upon it, nor anything spring out of it; and such is the hard heart of man, which God only can make soft by the means of his word, through the energy of his Spirit, and the efficacy of his grace; which coming in great abundance, like large showers of rain, removes the hardness of the heart, makes it susceptible of divine impressions, and of receiving the seed of the word, whereby it becomes fruitful; thou blessest the springing thereof; the tender blade, when it first peeps out of the earth; this the Lord nourishes and cherishes; he preserves it from the nipping frosts, by covering it with snow; he waters it with the dews of heaven, and warms it with the beams of the sun; he causes it to grow, and brings it to perfection: so the Lord takes great notice of the springing and buddings forth of grace, of the first acts and exercises of it in young converts, and takes care of them; and as he will not hurt them himself, nor break the bruised reed, nor quench the smoking flax; so he takes care that others should not; see Sol 6:11; he gives them more grace, and strengthens what they have; causes it to grow, and brings it on to perfection. The word here used is the same by which Christ, the branch, is expressed, Zac 3:8; and as the Lord has blessed him with the blessings of goodness, so he blesses all the branches which are in him, Joh 15:4, Eph 1:3. (p) "descendere facis pluviam in sulcos ejus", Vatablus. (q) "guttis grandioribus", Piscator.”
Source
1849
A.D.
1774–1849
“River. Hebrew, “the division,” or all the seas and fountains (Berthier) of consequence, (Menochius) particularly the Jordan, which overflows, like the Euphrates, about Pentecost, Josue iii. 15., and Jeremias xii. 5. (Calmet) — Its, the earth’s, after a plentiful rain. (Haydock) — God has wrought many wonders by water, and hath fed his people, (Exodus vii. 14., and xvi. 3., &c.) to prefigure the graces conferred in baptism, the holy Eucharist, &c. (Worthington)”
Source
Modern · 1953 →

The in-app commentary runs from the Fathers to the early-modern record, then stops — that's where the public-domain sources end, not where the reading does. For the modern reading, follow the sources directly.