The story
- Proto-Indo-European*dwóh₁
- Proto-Indo-European*dwi-
- Proto-Indo-European*dʰeh₁-
- Proto-Indo-European*h₁weydʰh₁-
- Proto-Indo-European*(h₁)wéydʰ(h₁)us
- Proto-Germanic*widuz
- Proto-West Germanic*widu
- Old Englishwidu
- Old Englishwudu
- Middle Englishwode
- Englishwood
- Proto-Germanic*wurmiz
- Proto-West Germanic*wurmi
- Old Englishwyrm
- Middle Englishworm
- Englishworm
- English todaywoodworm
Etymology from Wiktionary, CC BY-SA 4.0.