but- en · X
Etymology
Etymology tree Proto-Indo-European *gʷṓws Proto-Hellenic *gʷous Ancient Greek βοῦς (boûs) Proto-Indo-European *tewh₂- Proto-Indo-European *-rós Proto-Indo-European *tuh₂rós Proto-Hellenic *tūrós Ancient Greek τῡρός (tūrós) Ancient Greek βούτῡρος (boútūros)der. English but- From butyl. Ultimately from Ancient Greek βούτυρος (boúturos, “butter”).
Meanings
- (morpheme) Denotes the presence of four carbon atoms in the parent chain when forming names of organic compounds.