Minority
late 15th century (in minority (sense 2)): from French minorité or medieval Latin minoritas, from Latin minor ‘smaller’ (see minor).
wiktionary
From Middle French minorité, and its source Late Latin minōritās, from Latin minor.
Morphologically minor + -ity
etymonline
minority (n.)
1530s, "state or condition of being smaller," a sense now obsolete, from French minorité (15c.), or directly from Medieval Latin minoritatem (nominative minoritas), from Latin minor "less, lesser, smaller, junior" (see minor (adj.)).
Meaning "state of being under legal age" is from 1540s; that of "smaller number or part, smaller of two aggregates into which a whole is divided numerically" is from 1736. Specifically as "the smaller division of any whole number of persons" (in politics, etc.) is by 1789. The meaning "group of people separated from the rest of a community by race, religion, language, etc." is from 1919, originally in an Eastern European context.
