retrograde的词源

英文词源

retrograde

retrograde: see gradual

retrograde (adj.)

late 14c., originally of the apparent motions of planets, from Latin retrogradus "going back, going backward," from retrogradi "move backward," from retro- "backward" (see retro-) + gradi "to go, step" (see grade (n.)). General sense of "tending to revert" is recorded from 1530s.

中文词源

retrograde：倒退

词根词缀： retro-向后 + -grad-步,级 + -e

该词的英语词源请访问找单词词源英文版：retrograde 词源，retrograde 含义。

retrograde：倒退，退化

retro-,向后，往回，-grad,走，词源同 grade,aggressive.引申词义倒退，退化。