PS

*ˀabn- - stone (Fronzaroli 1968: 271, 287, 298; Kogan 2011: 190; Kogan 2015: 42)

Akkadian
abnu - stone (CAD A₁ 54, AHw. 6)
Ugaritic
ˀabn - stone (DUL 9)
Hebrew
ˀäbän - stone (HALOT 7)
Samalian
ˀbn - stone (DNWSI 6)
Deir Alla
ˀbn - weight (DNWSI 6)
Official Aramaic
ˀbn - stone (DNWSI 6)
Jewish Palestinian Aramaic
ˀăben - stone, gem (DJPA 33)

det. ˀabnā

Syriac
ˀabnā - rock, stone, gem; small building (LSyr. 3, SL 4)
Geez
ˀəbn - stone (CDG 4)

Also in the majority of modern EthS.

Tigre
ˀəbən - stone (WTS 367)
Tigrinya
ˀəmni - stone (TED 1434)
Harari
ūn - stone (EDH 27)
Soddo
əmmayyä - stone (EDG 54)
Soqotri
óˀobən, óbən - stone (LS 49, CSOL I 464, CSOL II 378)

f. (du. óbni, pl. ö́bhon)