H5391. nashak
נָשַׁךְ verb bite (Late Hebrew = Biblical Hebrew, but also transposed נְכַשׁ Hiph`il); Assyrian našâku DlHWB 486; נְכֵית ᵑ7 (especially of snakes); Syriac , ; Ethiopic Di642; BaZMG xliii (1889), 188 compare Arabic , undo threads, untwist rope, disintegrate, dissolve); —
Qal Perfect3masculine singular נָשַׁךְ [Num 21:9], suffix וּנְשָׁכוֺ consecutive [Amos 5:19], וּנְשָׁכָם consecutive [9:3]; Imperfect3masculine singular יִשֹּׁךְ [Eccl 10:11], יִשָּׁ֑ךְ [Prov 23:32], suffix יִשְּׁכֶנּוּ [Eccl 10:8]; Participle active נשֵׁךְ [Gen 49:17]; plural נשְׁכִים [Micah 3:5], suffix נשְׁכֶיךָ [Hab 2:7]; passive נָשׁוּךְ [Num 21:8]; — bite, chiefly of serpent, with accusative, [Amos 5:19]; [9:3]; [Gen 49:17] (poem in J), [Num 21:8] (passive participle, absolute), [21:9], [Eccl 10:8] also [10:11] (absolute), [Prov 23:32] (simile of wine); figurative of prophets ׳הַנּ בְּשִׁנֵּיהֶם [Micah 3:5] who are biting with their teeth, and crying, Peace! figurative of oppression, etc., נשְׁכֶיךָ [Hab 2:7] (with play on sense thy debtors, those that give thee interest).
Pi`el Perfect3plural אֶתְכֶם וְנִשְּׁכוּ [Jer 8:17] and they shall bite you fatally (figurative); Imperfect3masculine plural אֶתהָֿעָם וַיְנַשְּׁכוּ [Num 21:5] and they bit the people fatally(both of serpents).
[נָשַׁךְ] verb denominative pay, give interest (compare GerberVerba denominative 89); —
Qal Imperfect3masculine singular יִשָּׁ֑ךְ [Deut 23:20] interest of anything off which one giveth interest (compare Dr).
Hiph`il make one give interest; Imperfect2masculine singular תַּשִּׁיךְ [Deut 23:20] ( + accusative of congnate meaning with verb) [23:21]; [23:21], all with לְ person