fulcrum的词源

英文词源

fulcrum (n.)

in mechanics, "a prop, a support" (on which a lever turns), 1670s, from Latin fulcrum "bedpost, foot of a couch," from fulcire "to prop up, support" (see balk (n.)).

中文词源

fulcrum：支轴

词源同balk,balcony. 原义为柱子，床柱。后用于物理学名词支轴。

该词的英语词源请访问趣词词源英文版：fulcrum 词源，fulcrum 含义。