quadrupedality

Etymology tree
Proto-Indo-European *kʷetwóresder.
Proto-Indo-European *kʷetwr̥-
Proto-Italic *kʷetru-
Proto-Indo-European *ped-
Proto-Indo-European *-s
Proto-Indo-European *pṓds
Proto-Italic *pets
Proto-Italic *kʷetrupōts
Latin quadrupedembor.
French quadrupèdebor.
English quadruped
Proto-Indo-European *h₂el-der.?
Proto-Italic *-ālis
Latin -ālisbor.
Old French -albor.
▲
Latin -ālis
Old French -elbor.
▲
Latin -ālisbor.
Middle English -al
English -al
English quadrupedal
Proto-Indo-European *-teh₂
Proto-Indo-European *-ts
Proto-Indo-European *-teh₂ts
Latin -itāsder.
Old French -itebor.
Middle English -ite
English -ity
English quadrupedality
From quadrupedal + -ity.