"indwelling, remaining within, inherent," 1530s, via French immanent (14c.) or directly from Late Latin immanens, present participle of immanere "to dwell in, remain in," from assimilated form of in- "into, in, on, upon" (from PIE root *en "in") + Latin manere "to dwell" (from PIE root *men- (3) "to remain"). In medieval philosophy contrasted with transitive; later with transcendent. Related: Immanently.