deepen的词源

英文词源

deepen (v.)

c. 1600, from deep (adj.) + -en (1). Related: Deepened; deepening. The earlier verb had been simply deep, from Old English diepan.

中文词源

deepen：(使)变深，(使)变浓

词根词缀： deep深的 + -en动词词尾

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