noun, plural en·ti·ties.
Origin of entity
British Dictionary definitions for entitative
noun plural -ties
Word Origin for entity
Word Origin and History for entitative
1590s, from Late Latin entitatem (nominative entitas), from ens (genitive entis) "a thing," proposed by Caesar as present participle of esse "be" (see is), to render Greek philosophical term to on "that which is" (from neuter of present participle of einai "to be;" see essence). Originally abstract; concrete sense in English is from 1620s.