revert
v.
c.1300, "to come to oneself again," from Old French revertir "return, change back," from Vulgar Latin *revertire, variant of Latin revertere "turn back, turn about; come back, return," from re- "back" (see re-) + vertere "to turn" (see versus). Of position or property from mid-15c.; application to customs and ideas is from 1610s.
〔李〕[re-=back 回;vert=to turn 转 →] v. turn back;return 使回转;回复