English

but-

Denotes the presence of four carbon atoms in the parent chain when forming names of organic compounds.

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    Origin

    From butyl. Ultimately from Ancient Greek βούτυρος (boúturos, “butter”).

    From Wiktionary, CC BY-SA 4.0.

    Lineage

    • derivedAncient Greekβούτῡρος “butter”
      • partAncient Greekβοῦς “cow”
        • inheritedProto-Hellenic*gʷous
        • derivedAncient Greekὀφθᾰλμός “eye”
      • partAncient Greekτυρός “cheese”
        • inheritedProto-Hellenic*tūrós

    Sources