harden的词源

英文词源

harden (n.)

c. 1200, transitive, "make (something) hard," from hard (adj.) + -en (1). Intransitive meaning "to become hard" is late 14c. The earlier verb was simply hard, from Old English heardian. Related: Hardened; hardening.

中文词源

harden：使变硬

来自hard,硬的，-en,使。

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

harden：使)变硬

词根词缀： hard硬的 + -en动词词尾,使成为…,使变成…