don

sir, master, lord; a title of respect to a man, prefixed to first names; gentleman

“[Y] dime: don Luis Mejías ¿ha venido hoy?” — [A]nd tell me: mister Luis Mejía, did he come today?

Inherited from Late Latin dom (“a courtesy title for monks and abbots”), from domnus (“master, sir”), from Classical Latin dominus, from domus (“a house”).

gift, present; gift, talent, knack

“Cielos, tu tío realmente tiene un don para gastar todo su dinero en el casino, ¿no?” — Yikes, your uncle really has a knack for blowing all his money in the casino, doesn't he?

From Latin dōnum (“a gift”) (whence English donation), from dō (“to give”).