The Ω-Conjugation: Mute Verbs, Formative-Vowel or Thematic Aorist

347. Many mute verbs and some liquid verbs make the aorist active and middle by adding the suffix -ο:ε- to the verb stem, in the weak form if it has one.

The inflection is like that of a present system; in meaning this aorist does not differ from the σα- aorist.

λείπω (λειπ, λιπ-) leave, ἔλιπον

348. Formative-Vowel Aorist

349. The accent of the infinitive and participle and of the imperative middle second singular is on the formative vowel. This gives -εῖν (for -έ-εν), -έ-σθαι, -ών, and -οῦ (for -έ-(σ)ο).

a. Five verbs also accent the formative vowel in the imperative 2nd singular active.

εἰπέ say
ἐλθέ come
εὑρέ find
ἰδέ see
λαβέ take

But in compounds their accent is recessive.

350. Verbs that make a formative-vowel aorist are very frequent, and are often irregular. Among the commonest are:

(In compounds the subjunctive and imperative have recessive accent: παράσχω, παράσχες.)

351. Besides the formative-vowel aorists εἴπον (said, φημί) and ἦνεγκον (bore, φέρω) are found forms of an aorist in -α.

εἶπα, εἶπας, etc.

ἤνεγκα, ἤνεγκας, etc.