Where does “sous-officier” come from?

sous-officier (French) comes from French officier, from German Offizier, from Old French officer, from Medieval Latin officiarius, from Latin officium, from Latin opificium, from Latin opifex, from Latin Ops — to throw, reach, pierce; to hit by throwing.

sous-officier (French): NCO

Definitions

Ancestry of “sous-officier”, step by step

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

Every word from Proto-Indo-European gʷelH- →