Here 's a list of some of the other derivitives : Skr . धूम ( dhūma ) , Old Prussian dumis , Russ. дым ( dym ) , Lat. fūmus , Gm. toup/toben , Gk. θυμός ( thumos ) , Toch. twe/tweye , Lith. dūmai , Ltv. dūmi , Eng. dōmian/dusk , Goth. dauns , ON daunn , Ir. dé/deathach , Welsh dywy , Oscan Mefit , Polish dym , Pers. / dud , OCS дꙑмъ ( dymŭ )