Abbott-Smith Manual Greek Lexicon
χείμμαρος (G5493)
1 χείμμαρος (shortened form of the more usual -οος , Attic contr., -ους ), -ον ( χεῖμα , ῥέω ) [in LXX chiefly for נַחַל ;] winter-flowing ; as subst., ὁ χ. (sc. ποταμός ), a torrent : Jo 18:1 .†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain