The story
- Proto-Indo-European*h₁ep-
- Proto-Indo-European*h₁éps
- Proto-Indo-European*h₁épi
- Proto-Indo-European*h₁pi
- Proto-Germanic*bi
- Proto-Germanic*bi-
- Proto-West Germanic*bi-
- Proto-Indo-European*kap-
- Proto-Germanic*habjaną
- Proto-West Germanic*habbjan
- Proto-West Germanic*bihabbjan
- Old Englishbehabban
- Middle Englishbehaven
- Proto-Indo-European*gʰeh₁bʰ-
- Proto-Indo-European*gʰh₁bʰéh₁yeti
- Proto-Italic*haβēō
- Latinhabeō
- Old Frenchavoir
- Middle Englishhavour
- Middle Englishbehavoure
- Englishbehavior
- English todaybehaviorism
Etymology from Wiktionary, CC BY-SA 4.0.