The story
- Proto-Indo-European*bʰeh₂ǵosder.?
- Proto-Indo-European*bʰeh₂g-der.?
- Proto-Germanic*bōks
- Proto-West Germanic*bōk
- Old Englishbōc
- Middle Englishbok
- Englishbook
- Proto-Indo-European*yúHs
- Proto-Indo-European*uswé
- Proto-Indo-European*uswís
- Proto-Germanic*izwiz
- Proto-West Germanic*iwwiz
- Old Englishēow
- Middle Englishyow
- Englishyou
- Latintuba
- Latintubus
- Middle Frenchtube
- Englishtube
- EnglishYouTube
- English todayBookTube
Etymology from Wiktionary, CC BY-SA 4.0.