The story
- Proto-Germanic · derived from*under
- Old English · inherited fromunderdōn“to put under”
- Middle English · inherited fromunderdon
- English todayunderdo
From Middle English underdon, from Old English underdōn (“to put under”), from Proto-Germanic *under + *dōną (“to put”). Equivalent to under- + do. Cognate with German unterthun (“to put under, subject”).
Words from the same roots
Proto-Germanic*under all →
underunder-undercome
Etymology from Wiktionary, CC BY-SA 4.0.