fallen (adj.) Look up fallen at Dictionary.com
c.1400, past participle adjective from fall (v.). Used figuratively for "morally ruined" by 1620s, from the verb in the sense "yield to temptation" (especially in reference to women and chastity), attested from c.1200. Meaning "those who have died" attested by 1765. Fallen angel is from 1680s; fallen woman by 1748.