The story
- Proto-Indo-European*(s)tew-
- Proto-Indo-European*(s)tewd-
- Proto-Indo-European*studéh₁ti
- Proto-Italic*studēō
- Latinstudeō
- Latinstudium
- Old Frenchestudie
- Old Frenchestudier
- Middle Englishstudien
- Englishstudy
- English todaystudieth
Etymology from Wiktionary, CC BY-SA 4.0.