[*] 779. ει is for ε ¨ ε in the second aorist active (ἐ-ἑ-μεν ῀ εἷμεν), perfect active (ἑ-ἑ-κα ῀ εἷκα), perfect middle (ἑ-ἑ-μαι ῀ εἷμαι), second aorist passive (ε᾽ ¨ ἑ-θην ῀ εἵθην). In the aorists ε᾽ is the augment, in the perfects the first ἑ is the reduplication of the weak stem ἑ-. The first aorist ἧ-κα has the strong stem form. Present subj. ἱ_ῶ, ἱ_ῇς, etc., are for ἱ_ἑω, ἱ_ἑῃς, etc.; aor. subj. -ὧ, -ᾗς, etc., are for -ἕ-ω, -ἕ-ῃς, etc.
[*] 779. ει is for ε ¨ ε in the second aorist active (ἐ-ἑ-μεν ῀ εἷμεν), perfect active (ἑ-ἑ-κα ῀ εἷκα), perfect middle (ἑ-ἑ-μαι ῀ εἷμαι), second aorist passive (ε᾽ ¨ ἑ-θην ῀ εἵθην). In the aorists ε᾽ is the augment, in the perfects the first ἑ is the reduplication of the weak stem ἑ-. The first aorist ἧ-κα has the strong stem form. Present subj. ἱ_ῶ, ἱ_ῇς, etc., are for ἱ_ἑω, ἱ_ἑῃς, etc.; aor. subj. -ὧ, -ᾗς, etc., are for -ἕ-ω, -ἕ-ῃς, etc.