alcar (so spelt in CO, VT43:37-38, and VT44:32/34; otherwise "alkar")noun "glory, radiance, brilliance, splendour" (WJ:369, CO, VT43:37-38, VT47:13, AKLA-R; the latter source also lists an alternative longer form alcarë, also occurring in VT44:7/10) Compare Alcarin, Atanalcar.
Quenya
atanalcar
masculine name. *Man Glory
Elements
Word Gloss Atan “Man, (lit.) the Second (People)” alcar “glory, splendour, radiance, brilliance”
alcar
alkar
Atan
the second folk
Atan pl. Atani noun "the Second Folk", an Elvish name of Mortal Men, the Second-born of Ilúvatar. Cf. also Núnatani (WJ:386), Hróatani (PE17:18), q.v. Atanalcar masc. name, "Man-glory" (UT:210, cf. alcar). Atanamir masc.name, "Edain-jewel"? (Appendix A). Atanatar masc. name, "Father of Men" (Appendix A), also common noun atanatar, pl. Atanatári, "Fathers of Men", a title that "properly belonged only to the leaders and chieftains of the peoples at the time of their entry into Beleriand" (PM:324, SA:atar)
Fourth child of Elros, known only from a genealogy chart on UT/210. His name seems to be a compound of Atan “Man” and alcar “glory”.