The story
- Proto-West Germanic · inherited from*underfą̄han“to receive, undertake”
- Old English · inherited fromunderfōn“to receive, undertake, accept”
- Middle English · inherited fromunderfongen
- English todayunderfong
From Middle English underfongen, underfangen, from Old English underfōn (“to receive, undertake, accept”), from Proto-West Germanic *underfą̄han (“to receive, undertake”). Cognate with Dutch ondervangen, German unterfangen.
Etymology from Wiktionary, CC BY-SA 4.0.