BDB6981
צַו apparently noun [masculine], dubious word; — in הָלַךְ אַחֲרֵיצָָֿ֑ו Hos 5:11 usually command, ordinance; < ᵐ5 ᵑ6 Che Now GASm שָׁוְא; elsewhere only צַו לָצָ֨ו צַו לָצָ֔ו (|| קַו לָקָו קָו קַו לָקָו ), Isa 28:10 in mocking mimicry of Isaiah's words, and, Isa 28:13, of the unintelligible speech of ׳ י's foreign agents of judgement; Ges CheComm. and others (compare AV RV ) render command upon command; Ew Di (carpenter's) rule (+ קַו = line and rule), from √צָוָה (whence צִיּוּן); Du CheHpt explain as mocking sounds without sense.