PS

*ˀamš-ay - yesterday (v. Kogan–Krebernik 2021b: 683)

Cf. PS *mušy(-at)- ‘evening’.

Akkadian
amšali - yesterday (CAD A₂ 79, AHw 45)
Ebla
am-sa-a /ˀamšay/ - yesterday (Kogan–Krebernik 2021b: 683)
Arabic
ˀamsin - yesterday (Lane 99)
Mehri
yəmšē - yesterday (ML 6)
Jibbali
ˀəms̃ín - yesterday (JL 3)
Soqotri
ímši(n) or imšíne - yesterday (LS 65 ; CSOL I 474 ; CSOL II 390 ; Naumkin et al. 2015a:57 )