PS

*ˁayn- - eye (SED I No. 28)

reflexes are applied throughout Semitic to designate 'spring' as source of water, s. Kogan 2011: 192

Akkadian
īnu - eye (CAD I 153, AHw. 353)
Ebla
a-na-a - eye (Krebernik 1983, 27)
Ugaritic
ˁn - eye (DUL 168)
Ugaritic
ˁn - to see (DUL 167)
Amarna Canaanite
ḫe-na-ya (du., 1 pl. sff.) - our eyes (DNWSI 839)
Phoenician
ˁn, ˁyn - eye, sight (Tomback 1978: 252)
Hebrew
ˁayin - eye, appearance, look; spring (HALOT 817)
Samalian
ˁyn - eye (DNWSI 840)
Deir Alla
ˁyn - eye (DNWSI 840)
Old Aramaic
ˁyn - eye (DNWSI 840)
Official Aramaic
ˁyn - eye (DNWSI 840)
Biblical Aramaic
Palmyrean
ˁyn - eye (DNWSI 840)
Nabataean
ˁyn - eye (DNWSI 840)
Jewish Palestinian Aramaic
ˁayn, det. ˁaynā - eye (DJPA 403)
Christian Palestinian Aramaic
ˁyn, det. ˁynˀ - eye (DCPA 306)
Jewish Babylonian Aramaic
ˁaynā - eye (DJBA 855)
Syriac
ˁaynā - oculus (LSyr. 522, SL 1097)

SL : 'eye; spring; bud, bulb; appearance, surface'.

Mandaic
aina, cstr. ˁin - eye (MD 15, 348)
Maalula
ˁayna - Auge (GNDM 4)
Mlaḥso
ˁayno - Auge (Jastrow 1994: 168)
Turoyo
ˁayno - Auge; Quelle, Brunnen, Wasserhahn (RW 5)
Arabic
ˁayn- - eye (Lane 2214, BK 2 425)
Sabaic
ˁyn - eye (SD 23)
Minaean
ˁyn - eye (LM 18)
Qatabanian
ˁyn - sight (LIQ 118)
Geez
ˁayn - eye (CDG 80)
Tigre
ˁən - eye (WTS 472)
Tigrinya
ˁayni - eye (TED 1913)
Amharic
ayn - eye (AED 1289)
Argobba
en - eye (Leslau 1997: 191)
Harari
īn - eye (EDH 27)
Chaha
en - eye (EDG 117)
Ezha
en - eye (EDG 117)
Muher
en - eye (EDG 117)
Masqan
en - eye (EDG 117)
Gogot
en - eye (EDG 117)
Soddo
in - eye (EDG 117)
Mehri
ˀāyn - eye; spring of water; spy (ML 38)
Jibbali
ˁíhn - eye (JL 20)
Soqotri
ˁayn - eye; spring (LS 308, CSOL I 505, CSOL II)

du. ˁáyni, pl. ˁəyhóntən