extra-

短语

pref. 在...之外, 超出, 越出 [医] 外, 在外, 额外

释义与例句

affix
  1. 1.

    Outside of, beyond.

    extramarital: outside of marriage

词源

Etymology tree Proto-Indo-European *h₁éǵʰ Proto-Indo-European *-s Proto-Indo-European *h₁éǵʰs Proto-Indo-European *-teros Proto-Indo-European *h₁eǵʰsteros Proto-Italic *eksteros Latin exter Latin extrā English extra- From Latin extra (“outside, except, beyond”, adverb and preposition), from exter (“being on the outside”).

来源：wiktionary