Proto-Eskimo: *um-, *umtǝ-, *umcaʁ-
Meaning: fog, snow-storm, draught
Russian meaning: туман, вьюга, сквозняк
Comments: This stem cannot be derived from *umǝ-ɣ- 'to cover, to close' despite CED; it is an independent homonymous root with its own strong semantics.