What is the origin of concubine?
The word concubine comes from the Latin verb, cubare, which means "to lie down." The word developed in Middle English in the 13th Century, and is another name for a woman taken as a mistress.
What is the etymology of concupiscent?
Etymology. From Latin concupiscens (stem concupiscent-), present participle of concupīscō (“long for, covet”), inchoative of concupiō (“long for”), from con- + cupiō (“desire, wish for”).