Dulcinea
来自Big Physics
wiktionary
From Spanish Dulcinea, the name of Don Quixote's mistress in Cervantes' romance. The name in Spanish is derived from Latin dulce, from Latin dulcis.
etymonline
Dulcinea
"sweetheart," 1748, from the name of Don Quixote's mistress in Cervantes' romance, the name is a Spanish fem. derivative of Latin dulce "sweet" (see dulcet).