PS

*war(i)ḫ- - moon (Fronzaroli 1965a: 137, 144, 149; Kogan 2011: 193; Kogan 2015: 41)

Akkadian
warḫu - moon, new moon; month (CAD A₂ 259, AHw. 1466)
Ugaritic
yrḫ - moon (DUL 979)
Phoenician
yrḥ - moon, month (DNWSI 469)
Hebrew
yārēaḥ - moon (HALOT 438)
Official Aramaic
yrḥˀ - month (DNWSI 469)
Jewish Palestinian Aramaic
yrḥ - new moon; month (DJPA 245)
det. yarḥā
Christian Palestinian Aramaic
yrḥ - month (DCPA 167)
Samaritan
yrḥ - month (DSA 359)
Jewish Babylonian Aramaic
yarḥā - new moon; month (DJBA 542)
Syriac
yarḥā - month (LSyr. 309, SL 584)
Mandaic
iahra - month (MD 185)
with metathesys
Geez
warḫ - moon, month (CDG 617)
Tigre
wärəḥ - moon (WTS 433)
Tigrinya
wärḥi - moon (TED 1723)
Amharic
wär - month (AED 1499)
Argobba
wärəh, warəḥ - month (Leslau 1997: 226, AAD 347)
Harari
wäḥri, wårḥi - moon, month (EDH 159)
Also in Ancient Harari: warḥi (Cerulli 1936:436), wärḥi (Wagner 1983:316).
Selti
wäri - moon (EDG 660)
Wolane
wäri - moon (EDG 660)
Zway
wär - month (EDG 660)
Muher
wärä - month (EDG 660)
Gogot
wärä - month (EDG 660)
Soddo
wärä - month (EDG 660)
Mehri
warḫ - month (ML 430)
Jibbali
ɔ́rḫ - month (JL 292)