Recreational
来自Big Physics
late Middle English (also in the sense ‘mental or spiritual consolation’): via Old French from Latin recreatio(n- ), from recreare ‘create again, renew’.
wiktionary
recreation + -al
etymonline
recreational (adj.)
"of or pertaining to recreation; used for or concerned with recreation," 1650s, from recreation + -al (1). Related: Recreationally. Recreational drug is attested from 1967.