Where does “*weþmō” come from?

*weþmō (Proto-West Germanic) comes from Proto-Germanic wetmô, from Proto-Indo-European h₁wédh₂-mō ~ h₁udh₂-m̥nés, from Proto-Indo-European -mō — Creates agent nouns from verbs.

Ancestry of “*weþmō”, step by step

Step	Language	Word	Meaning
1	Proto-Germanic	wetmô	dowry, bride price
2	Proto-Indo-European	h₁wédh₂-mō ~ h₁udh₂-m̥nés	—
3	Proto-Indo-European	-mō	Creates agent nouns from verbs

Every word from Proto-Indo-European -mō →

*weþmō — Etymology, Origin & Word History | Etymology Explorer