Popularity
来自Big Physics
late Middle English (in the sense ‘prevalent among the general public’): from Latin popularis, from populus ‘people’. Sense 1 dates from the early 17th century.
wiktionary
popular + -ity, from Latin popularitas(“an effort to please the people”).
etymonline
popularity (n.)
"fact or condition of being beloved by the people, popular character or quality," c. 1600, from French popularité (15c.), from popular + -ity. Classical Latin popularitas meant "fellow-citizenship, a being of the same country." Popularity contest is attested from 1880.
