nonadaptive

Etymology tree
English non-
Proto-Indo-European *h₂éd
Proto-Italic *ad
Proto-Italic *ad-
Latin ad-
Proto-Italic *aptos
Latin aptus
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Proto-Italic *-āō
Latin -ō
Latin apiō
Proto-Indo-European *-tós
Proto-Italic *-tos
Latin -tus
▲
Latin -ō
Latin -tō
Latin aptō
Latin adaptōder.
Middle English *adapten
English adapt
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
Old French -ifbor.
Middle English -yf
English -ive
English adaptive
English nonadaptive
From non- + adaptive.