oculomotility

Etymology tree
Proto-Indo-European *h₃ekʷ-der.
Proto-Indo-European *-lós
Proto-Indo-European *-elós
Proto-Italic *-elos
Latin -ulus
Latin oculus
Ancient Greek -ο- (-o-)der.
Latin -o-bor.
English -o-
English oculo-
Latin mōtus
Latin -īlislbor.
English -ile
English motile
Proto-Indo-European *-teh₂
Proto-Indo-European *-ts
Proto-Indo-European *-teh₂ts
Latin -itāsder.
Old French -itebor.
Middle English -ite
English -ity
English motility
English oculomotility
From oculo- + motility.