Meaning

adjective arrived at without due care or effort; lacking depth

adjective performing adroitly and without effort

adjective expressing yourself readily, clearly, effectively

originBorrowed from Middle French facile, from Latin facilis (“easy to do, easy, doable”), from Latin facere (“to do, make”), from Proto-Indo-European *dʰeh₁- (“to do, put”) Compare Spanish and Portuguese fácil (“easy”), Catalan fàcil, Romanian facil. First use appears c. 1484 in a translation by William Caxton.

Etymology from Wiktionary, CC BY-SA 3.0