PC

*ŝmḫ - to rejoice (Greenfield 1959: 151)

The origin is unclear, one cannot exclude (with Greenfield and Kopf 1976:190) an eventual relationship to PS *ŝmḫ ‘to be high, talľ (Kogan 2015: 307)

Ugaritic
šmḫ - to be glad, rejoice (DUL 825)
Ugaritic
šmḫt - joy (DUL 825)
Amarna Canaanite
iš-mu-ḫu₅ - to rejoice (EA 109: 50, Rainey 1978: 92)
Hebrew
ŝmḥ - to rejoice (HALOT 1333)
Hebrew
ŝimḥā - joy (HALOT 1333)