The story
- Proto-Indo-European*ped-
- Proto-Indo-European*pṓds
- Proto-Germanic*fōts
- Proto-West Germanic*fōt
- Old Englishfōt
- Middle Englishfot
- Englishfoot
- Proto-Indo-European*swep-
- Proto-Indo-European*supnós
- Proto-Hellenic*húpnos
- Ancient Greekὕπνος (húpnos)
- Ancient Greekὑπνόω (hupnóō)
- Ancient Greekὕπνωσις (húpnōsis)
- Englishhypnosis
- English todayfootnosis
Etymology from Wiktionary, CC BY-SA 4.0.