PS

*šina - they (fem.) (HALOT 252, Kogan 2009:68, Huehnergard 2019:51–52)

For the distribution of the initial š- and h- in individual languages see *šū̆/šū̆ˀ/šū̆wa (compare also the initial ˀ- in BArm). See Kogan 2009:66, 68.

Akkadian
šina - they (fem.) (CAD Š₃ 35, AHw. 1240)
Hebrew
hēn/hēnnā - they (fem.) (HALOT 252)
Biblical Aramaic
ˀinnīn - they (fem.) (HALOT 1817)
Arabic
hunna - they (fem.) (BK II 1450)
Geez
ˀəmmāntu - they (fem.) (CDG 25)
The pronoun probably goes back to PWS *himā with the extension through the deictic elements -n-t-u, present in other types of Geez pronouns. The shift *h- > ˀ is irregular (Kogan 2009:68).
Mehri
sēn - they (fem.) (ML 351)
Jibbali
sɛn - they (fem.) (JL 230)
Harsusi
sēn - they (fem.) (HL 111)
Soqotri
sen, sénhen - they (f.) (LS 288; CSOL I 644; CSOL II 576)

tóˀo sen ‘the same (f. pl.), as earlier’:

wa-gédaḥ éṣfɛr tóˀo sen ‘And once again the little birds came’ (CSOL I 22:65)