fidèle
fidèle (FR ADJ) faithful, constant, true; unchanging in emotions or affections; adhering and professing a certain religion; in translation, following an original version accurately. First appears in French in the 10th century, from Latin fidelis, fides (faith). (Apollinaire, Baudelaire, Bourget, Brimont, Grandmougin, Hugo, Mallarmé, Samain, Silvestre, Verlaine)