Rashi on the Former Prophets
Judges 15
At this time I am innocent. I shall be justified in inflicting injury upon them.
Twisted. The tails, each into the next. וַיִפֶן implies that he himself turned, וַיֶפֶן that he turned, or twisted, others. This usage applies with every word whose verbal root ends with ה. "The people increased;" "He increased, in the people of Yehudah, lamentation…." "Yehudah went into exile from his homeland"—went into exile. "The king [of Ashur] exiled Yisroel to Ashur" —exiled others.
The son-in-law of the Timnite. The son-in-law of the Pelishtite from Timnah.
Is this the way you behave. Perhaps you are accustomed to this—shifting wives from one to another.
Cavalry and infantry [lit. calf and thigh]. "Horsemen and foot soldiers." The horseman is not supported by the thigh, but by the calf of the foot inserted into the metal stirrup hanging from the saddle.
On the promontory of a crevice of the Eitam cliff. Similarly, "The promontories of the cliffs," "[He] shall remove its branches."
They fanned out. They dispersed.
At Lechi. The name of a place
Why have you ascended against us. Are we not enslaved by you?
To tie down Shimshon. In order that you tie him down and deliver him to us.
No! We shall merely tie you down. We shall not execute you, but merely tie you down.
The spirit of Adonoy. A spirit of power, emanating from Adonoy.
His bonds which tied him down.
Moist. Wet. I saw a medical lexicon which refers to pus oozing from a wound as טְרִיָה.
I amassed mounds with the jawbone of a donkey, amassing numerous mounds. "With the jawbone of a donkey I hurled them into mounds."
The socket [lit. "the mortar"]. The socket where the tooth is set is shaped like a mortar.
Ein Hakorei. "The wellspring which materialized through the cry of the one who called out to Adonoy."
You arrive at the cited line; the whole work is yours to read around it. The text is set from the cited public-domain edition.