PS

*ŝahr- - moon (Kogan 2015:41, note 96)

Kogan 2015: “It is uncertain to what extent *ŝahr- was synonymous to *war(i)ḫ- in PS: could the former designate specifically the “new moon,” “crescent”?”

Akkadian
šērtu - (a characteristic such as brilliance) (CAD Š₂ 327)
Hebrew
ŝahărōnīm - little moons (as amulets or jewelry) (HALOT 1311)
Jewish Babylonian Aramaic
sehrā - moon (DJBA 800)
Syriac
sahrā - moon (LSyr. 462, SL 974)
Turoyo
ṣahro - Mond (month) (RW 473)
Arabic
šahr- - the new moon, when it appears (Lane 1612)
Sabaic
s₂hr - beginning of month (SD 132)
Minaean
s₂hr - début du mois (beginning of the month) (LM 86)
Qatabanian
s₂hr - new moon, first day of the month (LIQ 165)
Geez
ŝāhr - moon, first day of the month (CDG 528)
Mehri
ŝēhər - first crescent of moon (ML 376)
Jibbali
ŝέhər - first crescent of moon (JL 250)
Soqotri
ŝέhɛr - 1. new moon; 2. month (LS 426; CSOL I 665; CSOL II 598)