1. a point, edge : proverbial, ἐπὶ ξυροῦ ἀκμῆς on the rasor's edge (see. ξυρόν); ἀμφιδέξιοι ἀκμαί the fingers of both hands, (Sophocles Tragicus); ποδοῖν ἀκμαί the toes, (Sophocles Tragicus)

2. the highest point of anything, the bloom, flower, prime , of man's age, Lat. flos aetatis, ἀκμὴ ἥβης (Sophocles Tragicus); ἀκμὴ βίου (Xenophon Historicus); ἐν ἀκμῆι εἶναι = ἀκμάζειν, (Plato Philosophus); ἀκμὴν ἔχειν, of corn, to be ripe, (Thucydides); also of time, ἀ. ἦρος the spring- prime , (Pindar); ἀ. θέρους mid -summer, (Xenophon Historicus); ἀ. τῆς δόξης (Thucydides); periphrastic like βία, ἀκμὴ Θησειδᾶν (Sophocles Tragicus)

3. like καιρός, the best, most fitting time , [variant datesTragica Adespota; ἔργων, λόγων ἀκμή the time for doing, speaking, (Sophocles Tragicus); ἀκμή ἐστι, with infinitive, 'tis high time to do, (Aeschulus Tragicus); ἐπ᾽ ἀκμῆς εἶναι, with infinitive, to be on the point of doing, (Euripides); ἐπ᾽ αὐτὴν ἥκει τὴν ἀκμήν 'tis come to the critical time , (Demosthenes Orator)

4. ἀκμήν, accusative of ἀκμή, used as adverb, just , (Xenophon Historicus)

5. yet, still , (Theocritus Poeta Bucolicus) (ML)