FROM STRONG’S GREEK DICTIONARY (1890)

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

epei ἐπεί — ep-i' — from 1909 and 1487; thereupon, i.e. since (of time or cause):--because, else, for that (then, -asmuch as), otherwise, seeing that, since, when.

see GREEK for 1909

see GREEK for 1487