early 15c. (implied in admired), from Middle French admirer (Old French amirer, 14c.), or directly from Latin admirari "to wonder at" (see admiration). Related: Admiring; admiringly.[admire etymology, admire origin, 英语词源]
"Of the nature of or resembling Narcissus, the youth of Greek mythology; loving or admiring oneself excessively, narcissistic", Mid 17th cent.; earliest use found in Thomas Blount (1618–1679), antiquary and lexicographer. From classical Latin narcissinus of the plant narcissus (Pliny) from Hellenistic Greek ναρκίσσινος from νάρκισσος + -ινος.