FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

chronos χρόνος — khron'-os — of uncertain derivation; a space of time (in general, and thus properly distinguished from 2540, which designates a fixed or special occasion; and from 165, which denotes a particular period) or interval; by extension, an individual opportunity; by implication, delay:--+ years old, season, space, (X often-)time(-s), (a) while.

see GREEK for 2540

see GREEK for 165