unaccusativity

Etymology tree
Proto-Indo-European *né
Proto-Indo-European *n̥-
Proto-Germanic *un-
Proto-West Germanic *un-
Old English un-
Middle English un-
English un-
Proto-Indo-European *h₂éd
Proto-Italic *ad
Proto-Italic *ad-
Latin ad-
Proto-Italic *kaussā
Old Latin caussa
Latin causa
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Proto-Italic *-āō
Latin -ō
Latin accūsō
Proto-Indo-European *-wós
Proto-Indo-European *-iHwósder.
Latin -īvus
Ancient Greek αἰτῐᾱτῐκή (aitĭātĭkḗ)calq.
Latin accūsātīvusder.
Anglo-Norman accusatifbor.
▲
Latin accūsātīvusder.
Middle French acusatifbor.
▲
Latin accūsātīvusbor.
Middle English accusative
English accusative
Proto-Indo-European *-teh₂
Proto-Indo-European *-ts
Proto-Indo-European *-teh₂ts
Latin -itāsder.
Old French -itebor.
Middle English -ite
English -ity
English unaccusativity
From un- + accusative + -ity.