Where does “ophern” come from?

ophern (Middle High German) comes from Old High German opfarōn, from Latin offerō, from Latin ob-, from Latin obolus, from Ancient Greek ὀβολός, from Ancient Greek ὀβελός, from Ancient Greek βέλος, from Proto-Indo-European gʷélHos — to throw, reach, pierce; to hit by throwing.

Ancestry of “ophern”, step by step

ophern traces back through 3 separate lines of ancestry.

via Old High German opfarōn

Step	Language	Word	Meaning
1	Old High German	opfarōn	—
2	Latin	offerō	to bring before or bring to, present, offer, bestow, show, place before, exhibit, expose
3	Latin	ob-	towards; against
4	Latin	obolus	obolus (Greek coin)
5	Ancient Greek	ὀβολός	obol, obolus, used at Athens as both a weight and...
6	Ancient Greek	ὀβελός	a spit, rod; a horizontal line
7	Ancient Greek	βέλος	missile, arrow, dart; weapon; something quickly...
8	Proto-Indo-European	gʷélHos	—
9	Proto-Indo-European	gʷelH-	to throw, reach, pierce; to hit by throwing

via Old High German opharōn

Step	Language	Word	Meaning
1	Old High German	opharōn	—
2	Medieval Latin	operor	work; I work, labor
3	Latin	opus	work, accomplishment; workmanship, artwork, work;...
4	Proto-Indo-European	h₃ep-os-	work
5	Proto-Indo-European	h₃ep-	to work, toil, make; ability, force

via Old High German offarōn

Step	Language	Word	Meaning
1	Old High German	offarōn	—

Every word from Proto-Indo-European gʷelH- →Every word from Latin ob- →Every word from Latin offerō →