Brown-Driver-Briggs
נָשַׁל verb 1. intransitive
slip or drop off; also transitive:
2 draw off.
3 clear away (Late Hebrew נָשַׁל probably intransitive, Qal not used, but noun נְשִׁילָה a falling off, etc.; Pi`el, Hiph`il cast off, let fall off, Niph`al be cast off, fall off; ᵑ7 Aph`el אַשֵּׁיל cast out (from house); Arabic 
excidit pluma, etc.; but also transitive, avis mutavit rejecitque plumas (Frey); — 
celeriter extraxit, etc., is denominative from loan-word according to Frä88); —
Qal Perfect וְנָשַׁל consecutive Deuteronomy 7:1 2t.; Imperfect3masculine singular יִשַּׁל Deuteronomy 28:40; Imperative masculine singular שַׁל Exodus 3:5; Joshua 5:15; —
1 slip or drop off, וְנָשַׁל הַבַּרְזֶל מִןהָֿעֵץ Deuteronomy 19:5 and the iron slippeth off from the wood (i.e. axe-head from helve); יִשַּׁל זֵיתֶ֑ךָ Deuteronomy 28:40 thine olives shall drop off (absolute).
2 draw off sandal from (מֵעַל) foot Exodus 3:5 (E), Joshua 5:15 (JE).
3 clear away nations מִמָּנֶיךָ Deuteronomy 7:1,22.
Pi`el Imperfect3masculine singular וַיְנַשֵּׁל 2 Kings 16:6 he cleared the Jews entirely out of (מִן) Elath.
