The Proto-Celtic word *mūko-
Word *mūko-
Meaning smoke
Notes/Remarks The etymology of this word is uncertain
Synonyms *dengwo, *dwijat

Other words that might be of interest
*sūl- ‘sun’, *dumāko- ‘mist’, *taφnos- ‘fire’, *aidu ‘fire’, *angelo- ‘fire, light’, *onno ‘ash’, *loutwi ‘ashes’, *dubu ‘dark, black’, *skalī- ‘shadow’