Departmental
来自Big Physics
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late Middle English: from Old French departement, from departir (see depart). The original sense was ‘division or distribution’, later ‘separation’, hence ‘a separate part’ (core sense, mid 18th century).
wiktionary
Borrowed from French départemental.
etymonline
departmental (adj.)
1791, "pertaining to a (French) department, pertaining to a division of a country," from French départmental, from département (see department). Meaning "of departmental systems generally" from 1832. Related: Departmentally.
