behavioristic

Etymology tree
Proto-Indo-European *h₁ep-der.
Proto-Indo-European *h₁épsder.
Proto-Indo-European *h₁epider.
Proto-Indo-European *h₁pi
Proto-Germanic *bider.
Proto-Germanic *bi-
Proto-West Germanic *bi-
Proto-Indo-European *kap-der.
Proto-Germanic *habjaną
Proto-West Germanic *habbjan
Proto-West Germanic *bihabbjan
Old English behabban
Middle English behaven
Proto-Indo-European *gʰeh₁bʰ-
Proto-Indo-European *-éh₁ti
Proto-Indo-European *-yeti
Proto-Indo-European *-éh₁yeti
Proto-Indo-European *gʰh₁bʰéh₁yeti
Proto-Italic *haβēō
Latin habeō
Old French avoirbor.
Middle English havour
Middle English behavoure
English behavior
Proto-Indo-European *-id-
Proto-Indo-European *-yéti
Proto-Indo-European *-idyéti
Proto-Hellenic *-íďďō
Ancient Greek -ῐ́ζω (-ĭ́zō)
Proto-Hellenic *-tās
Ancient Greek -τής (-tḗs)
Ancient Greek -ῐστής (-ĭstḗs)bor.
Latin -istader.
Old French -istebor.
Middle English -ist
English -ist
English behaviorist
Proto-Indo-European *-ikos
Proto-Italic *-ikos
Latin -icuslbor.
Old French -iquebor.
Middle English -ik
English -ic
English behavioristic
From behaviorist + -ic.