H8264. shaqaq
[שָׁקַק] verb run, run about, rush (apparently akin to √ I. שׁוק, whence שׁוֺק); —
Qal Imperfect3masculine plural יָשֹׁקּוּ בָּעִיר [Joel 2:9], of locusts (|| יְרֻצוּן; > Gr proposes יִסְּקוּfrom סלק); Participle שֹׁקֵק [Isa 33:4], with ב of thing rush at, upon (like locusts); of roving, ranging bear [Prov 28:15] (unless we read שָׁקוּל, Toy); figurative of נֶפֶשׁ longing for water [Isa 29:8] (|| עָיֵם and, va, רֵקָה), [Psa 107:9] (|| רְעֵבָה).
Hithpalpel Imperfect3masculine plural יִשְׁתַּקְשְׁקוּן [Nahum 2:5], of chariots, they rush to and fro.