Delicacy

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late Middle English (in the senses ‘voluptuousness’ and ‘luxuriousness’): from delicate + -acy.

wiktionary

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From Middle English delicacie, from Middle English delicat, from Latin delicatus.

etymonline

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delicacy (n.)

late 14c., "delightfulness; fastidiousness; quality of being addicted to sensuous pleasure," from delicate + abstract noun suffix -cy. Meaning "fine food, a dainty viand" is from early 15c. Meaning "fineness, softness, tender loveliness" is from 1580s; that of "weakness of constitution" is from 1630s.