PS

*ˀantina - you (fem. pl.) (Kogan 2009:67)

Akkadian
attina - you (fem. pl.) (CAD A₂ 512, AHw. 88)
Hebrew
ˀattēn/ˀattēnā - you (fem. pl.) (HALOT 103)
Arabic
ˀantunna - you (pl. fem.) (BK I 76)
Geez
ˀantən - you (pl. fem.) (CDG 33)
The loss of final *-a is somewhat unexpected (Bulakh–Kogan 2013b:99).
Tigrinya
ˀantən - you (fem. pl.) (TED 1480)
Used only when addressing a person.
Mehri
ˀətēn - you (f. pl.) (ML 8)
-n- is missing, just in the singular form hēt. Unlike the singular, there is ˀ- instead of the unexplicable h-.
Jibbali
tɛn - you (f. pl.) (JL 271)
Harsusi
ˀətēn - you (f. pl.) (HL 4)