usefulness

名词 n.
中文释义

英文释义

名词 n.
  1. The quality or degree of being useful. countable,uncountable
    — The usefulness of his latest reorganisation has been disputed.

词形变化

usefulnesses plural

词源

Etymology tree
English useful
Proto-Germanic *-inōną
Proto-Indo-European *-dyé-
Proto-Germanic *-atjaną
Proto-Indo-European *-tus
Proto-Germanic *-þuz
Proto-Germanic *-assuz
Proto-Germanic *-inassuz
Proto-West Germanic *-nassī
Old English -nes
Middle English -nesse
English -ness
English usefulness
From useful + -ness.
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