Meaning

noun polished surface that forms images by reflecting light

noun a faithful depiction or reflection

verb reflect as if in a mirror

originFrom Middle English mirour, from Old French mireor (“mirror”, literally “looker, watcher”), from mirer (“look at”), from Latin mīror (“wonder at”), from mīrus (“wonderful”), from Proto-Indo-European *smey- (“to laugh, to be glad”). Displaced native Middle English schewere, schawere, from Old English sċēawere (“mirror”, literally “watcher”), which was also the word for "spy".

Etymology from Wiktionary, CC BY-SA 3.0