PWS

*rwḥ - to blow (Kogan 2015: 96; Bulakh 2005b:415‒420)

see also *rV̄ḥ - wind

Hebrew
rwḥ - to smell (HALOT 1196)
Arabic
rwḥ - IV. to breathe (Lane 1177)
Sabaic
h-rwḥ - to increase, to enlarge (SD 119)
For this semantic development in other WS languages v. extensively Bulakh 2005b:418
Geez
roḥa - to fan (CDG 477; Bulakh 2005: 415–420)
Geez
rəḥya - to emit an odor, to be fragrant (CDG 467)