Extended Strong's Greek Lexicon (Abbott-Smith based)
cold
Usage: ψυχρός, -ά, -όν (ψύχω), [in LXX: Pro.25:25 (קַר), Sir.43:20, 4Ma.11:26 * ;] cold: sc. ὕδωρ (cf. Theogn., 263; Hdt., ii, 37), Mat.10:42; metaphorically, of indifferent persons, Rev.3:15-16 † (AS)