英语词源字典 - 在线词源网站

removed (adj.)[removed 词源字典]: "distant in relationship" (by some expressed degree), 1540s, from past participle of remove (v.). Meaning "remote, separated, secluded" is from 1610s.[removed etymology, removed origin, 英语词源]
unmoved (adj.): late 14c., "not affected by emotion or excitement," from un- (1) "not" + past participle of move (v.). Meaning "fixed in position" is from mid-15c.