G1858
ἑορτάζω
to keep a festival
ἑορτάζω (ἑορτή), [in LXX for חָגַג ;] to keep festival: 1Co.5:8.† (AS)
The KJV translates G1858 in the following manner:
feast (2x)
Full Thayer's lexicon entry
ἑορτάζω — heortázō
ἑορτάζω; (ἑορτή); to keep a feast-day, celebrate a festival: 1Co 5:8, on which passage see ἄζυμος. (the Sept. for חָגַג; Euripides, Aristophanes, Xenophon, Plato, others; ὁρτάζω, Herodotus.)
1 occurrence