The Homeric Greek word ἅπαξ
Word ἅπαξ
ha. p a ks
IPA apaks
Meaning once, once only, once for all
Synonyms καθάπαξ

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Odyssey

Other words that might be of interest
ἅμα ‘at once, at the same time’, ἁμαρτῆ ‘together, at same time, at once’, ἄλλοτε ‘at another time’, ἄμυδις ‘together, at the same time’, ἀεί ‘ever, always’, ἀειγενέτης ‘everlasting’, αὐτίκα ‘forthwith, at once, in a moment’, δείλη ‘afternoon’, ἑπτάς ‘period of seven days’, ἔτι ‘yet, still’, ἐξαῦτις ‘once more, anew’, ἐπεί ‘after that, since, when’, ἐπειδάν ‘whenever’, ἐπήν ‘when, after’, εἶθαρ ‘at once, forthwith’, ἦνις ‘a year old, yearling’, κατόπισθεν ‘behind, after’, μεθό ‘after that’, μετέπειτα ‘afterwards, thereafter’, ὁπότε ‘when’, ὀψέ ‘after a long time, at length, late’, πώποτε ‘ever yet’, πω ‘up to this time, yet’, τεσσαρακοντάς ‘period of forty days’, χρόνος ‘time’, ἐπετήσιος ‘from year to year, yearly’, λυκάβας ‘year’, μήποτε ‘never, on no account’