Where does “Office” come from?

Office (English) comes from Middle English office, from Old French office, from Latin officium, from Latin opificium, from Latin opifex, from Latin Ops, from Latin oscen, from Latin opscen — to throw, reach, pierce; to hit by throwing.

Ancestry of “Office”, step by step

Step	Language	Word	Meaning
1	Middle English	office	The state of being employed or having a work or...
2	Old French	office	office; service
3	Latin	officium	duty, service; office; obligation, an obligatory...
4	Latin	opificium	work
5	Latin	opifex	Someone who does work ; worker, maker, framer,...
6	Latin	Ops	earth goddess, fertility deity
7	Latin	oscen	any bird by whose song cries augurs divined...
8	Latin	opscen	—
9	Latin	ob-	towards; against
10	Latin	obolus	obolus
11	Ancient Greek	ὀβολός	obol, obolus, used at Athens as both a weight and...
12	Ancient Greek	ὀβελός	a spit, rod; a horizontal line
13	Ancient Greek	βέλος	missile, arrow, dart; weapon; something quickly...
14	Proto-Indo-European	gʷélHos	—
15	Proto-Indo-European	gʷelH-	to throw, reach, pierce; to hit by throwing

Every word from Proto-Indo-European gʷelH- →