The place where the earliest Lost Tales were told (LT1/14), a combination of mar “dwelling”, vanwa “lost” and the adjectival form of tyalie “play” (LT1A/Mar Vanwa Tyaliéva).
Early Quenya
mar
masculine name. Mar
mar
noun. house, home, dwelling (of men); -land, the Earth
mar
noun. grit, coarse grain or powder
mar vanwa tyaliéva
place name. Cottage of the Lost Play
mar-
verb. to get ripe, come to ripeness, get ready, grow up, get mellow
mar vanwa·tyalien
*cottage of the lost play
eldamar
place name. Elfhome, Elfland
i·mar tye
that house (of yours)
tyenda mar
that house (of yours)
Another name for Aule in an very early name list of the Valar (PE14/12). It seems to be mar “Earth” used as a name.