PWS

*byn - to (be) separate(d) (DRS 62; Kogan 2015: 80)

the priority of the verbal root over the nominal formation *bayn- (Lipiński 1997:468) rather than vice versa remains to be substantiated (cf. Blažek 2007:32)

Ugaritic

byn - to understand (DUL 222)

Hebrew

byn - to understand (HALOT 122)

Hebrew

bīnā - understanding (HALOT 123)

Palmyrean

byn - (aph.) to cause to understand (DNWSI 152, Hillers; Cussini 346)

Note the semantic shift “to cause to understand” > “to lay down rules”

Jewish Palestinian Aramaic

bynh - wisdom, understanding (DJPA 96)

Christian Palestinian Aramaic

byn - (pol.) to instruct, to teach (DCPA 45)

Jewish Babylonian Aramaic

byn - (pa.) to explain (DJPA 96)

Syriac

byn - (pa.) to make understand, teach (LSyr. 68, SL 141)

Mandaic

bwn - to expound, to explain, to teach (MD 55)

Arabic

byn - to be clear, evident; II. to explain (Lane 286)

Geez

bayyana - to discern, to distinguish, to recognize (CDG 115)

Tigre

təbäyyänä - s’éclaircir (to clear) (WTS 295)

Tigrinya

bäyyänä - to judge, to decree, to ordain (TED 1192)

Amharic

bäyyänä - to give a verdict (AED 933)

Mehri

bəyōn - to appear (ML 60)

Jibbali

bɛ̄n - to appear (JL 32)