From Wiktionary, the free dictionary
*rīḥ-
emission of gas, whiff , air passing (Luftzug )
odour , smell
flatus
*rawaḥ- ( “ to have open space or open up, to leave room free, to be forlet; to go out, to lapse, to leave; to breeze, to fan; to pass gas ” ) (form I )
*rawwiḥ- ( “ to widen, to give space to; to relieve ” ) (form II )
*harawaḥ- ( “ to make or allow to go out, to release; to amplify, to inflate ” ) (form IV )
*rūḥ- ( “ wind, gust ” )
Central Semitic:
Arabic: رِيح ( rīḥ , “ whiff; odour ” )
Northwest Semitic:
Aramaic:
Classical Syriac: ܪܶܝܚܐ ( rēḥā , “ smell; odour ” )
Christian Palestinian Aramaic: ܪܝܚ ( “ smell; odour ” )
Biblical Aramaic, Jewish Palestinian Aramaic, Jewish Literary Aramaic, Jewish Babylonian Aramaic: רֵיחָא ( rīḥā , “ smell; odour ” )
Canaanite:
Hebrew: רֵיחַ ( réakh, rēaḥ , “ scent; odour ” )
Ugaritic: 𐎗𐎈 ( rḥ /rīḥu/ , “ aroma, perfume ” )
Ethiopian Semitic:
Ge'ez: ርሔ ( rəḥe , “ scent, odour ” )
Modern South Arabian: