A primitive root; to alight; (transitive) to cause to descend, i.e. Drive down -- fasten, light (from off).
H6795. tsanach
[צָנַח] verb descend (meaning inferred from context); —
Qal Imperfect3feminine singular הַחֲמוֺר מֵעַל וַתִּצְנַח Judges 1:14 = Joshua 15:18 and she descended (alighted) from the ass; ׳וַתּ בָּאָרֶץ Judges 4:21and it (the tent-peg) went down into the ground.