umbar (umbart-, as in dat.sg. umbarten) noun "fate, doom" (MBARAT), also name of tengwa #6 (Appendix E).Cf. Umbarto. In the pre-classical Tengwar system presupposed in the Etymologies, umbar was the name of letter #18 (VT45:33), which tengwa Tolkien would later call malta instead – changing its Quenya value from mb to m. – In the word Tarumbar "King of the World" (q.v.), umbar appears to be a variant of Ambar (q.v.) instead.
Umbardacil masc. name (or title) "Umbar-victor" (Appendix A); the place-name Umbar is not Quenya and has no connection with umbar "fate".
umbarta- vb. “to define, decree, destine”; this form of the verb was used “in more lofty senses”, otherwise marta- (PE17:104)
Umbarto masc. name, "Fated", mother-name (never used in narrative) of Telufinwë = Amras. The ominous name was altered to Ambarto by Fëanor. (PM:353-354)