Meaning

noun a very pretty girl who works as a photographer's model

adjective appealing to the emotions as well as the eye

adjective lovable especially in a childlike or naive way

originFrom Middle English lofly, lovely (“praiseworthy; laudatory”), equivalent to lofe + -ly. Cognate with Dutch loffelijk (“laudable, praiseworthy”), German löblich (“commendable, laudable, praiseworthy”), Swedish lovlig (“permissible”). More at lofe, love.

Etymology from Wiktionary, CC BY-SA 3.0