Where does “interdepartmentally” come from?

interdepartmentally (English) comes from English interdepartmental, from English department, from French département, from Middle French département, from Old French département, from Old French departir, from Latin departiō, from Latin dē- — afterwards, post; by, at.

interdepartmentally (English): Between departments

Definitions

  1. Between departments

Ancestry of “interdepartmentally”, step by step

interdepartmentally traces back through two separate lines of ancestry.

via English interdepartmental

StepLanguageWordMeaning
1EnglishinterdepartmentalBetween departments; to do with the connection of...
2EnglishdepartmentA part, portion, or subdivision; A distinct...
3Frenchdépartementdepartment; département
4Middle Frenchdépartement
5Old Frenchdépartement
6Old Frenchdepartirto leave; to depart; departure
7Latindepartiōto divide
8Latindē-of; from
9Latinof; concerning; about
10Latinpostbehind; after, since, besides, except; behind,...
11Latinposteablative singular of postis
12Proto-Italicpostibehind, after
13Proto-Indo-Europeanpóstiafter
14Proto-Indo-Europeanpósafterwards, post; by, at

via English ly

StepLanguageWordMeaning
1EnglishlyAbbreviation of light-year
2VietnameselyAlternative spelling of li
Every word from Proto-Indo-European pósEvery word from Latin dē-Every word from Proto-Indo-European pósti
interdepartmentally — Etymology, Origin & Word History | Etymology Explorer