Mentality
来自Big Physics
late 17th century (in the sense ‘mental process’): from the adjective mental + -ity. Current senses date from the mid 19th century.
wiktionary
From mental + -ity. Doublet of mentalité.
etymonline
mentality (n.)
1690s, "mental action or power," from mental (adj.) + -ity. The sense of "intellectual activity" is by 1856; that of "mental character or disposition" is by 1895.