Of uncertain derivation; perhaps tumult -- battle.
Englishman's Concordance
1) attack, onslaught, onset Part of Speech: noun masculine A Related Word by BDB/Strong’s Number: of uncertain derivation Same Word by TWOT Number: 954a
Brown-Driver-Briggs
כִּידוֺרnoun [masculine]onset, ׳מֶלֶךְ עָתִיד לַכּJob 15:24a king ready for the onset.
