ᴱ√RUKU root. “smoke, reek”
         
         
            - ⚠️ᴱ√RUKU root. “smoke, reek”
            
- √USUK “*reek, smoke; ⚠️dusk, evening”
            
- √RUK “terrible shapes and the fear they inspire, [ᴹ√] demon”
            
            A root in the Qenya Lexicon of the 1910s glossed “smoke, reek”, with derivatives like ᴱQ. ruku “smoke, reek” and ᴱQ. ruku- “steam, smoke, reek” (QL/80) In Quenya of the 1930s, it seems this root was replaced by ᴹ√USUK of similar meaning.
            
          
         Reference ✧  QL/80 ✧  “smoke, reek”
         
         Related
         
            - ?FUKU “*smoke, smoulder” versus RUKU “smoke, reek”
            
Derivatives
         
            - > ᴱQ. rukta- “to belch smoke, spout smoke; to cause to smoke; to smoke at a pipe” ✧ QL/80
            
- > ᴱQ. ruku “smoke, reek” ✧ QL/80
            
- > ᴱQ. ruku- “to steam, smoke, reek” ✧ QL/80