[Arvegil145]

Originally Posted by Huinesoron

I threw out "Maitarussa" without much thinking about it there, but how would a Quenya form of Maedhros look, if it was derived directly from the original Primitive Quendian name?

S Maed comes ultimately from PQ Magiti, the same source as Q Maite, which takes the form Maiti- in compounds.

S Ross comes from PQ Russā, which also produced Q https://eldamo.org/content/words/word-1387000543.html, which is well attested at the end of names.

So, fairly simply, the Quenya name of an "ancient Maedhros" would be Maitirussa. I was nearly right! Back in Cuivienen he would have been Magitirussa, which does seem a bit overwrought for the culture that gave us "Indis and Ingwil, children of Ilwen and of Ingwe son of Ilion", but maybe the Noldor were just showoffs. Or, maybe more likely, Magitirussa was an epesse, like Sindacollo or Therinde, and his true personal name is still unknown.

hS

I knew about BoLT Maidros, grandfather of Feanor for quite some time - however, the problem with your proposed explanation is that Tolkien himself already gave us the explanation behind Maedros' (the son's) Sindarin name (from the same complex of texts as the 'Shibboleth'):

1) Maedros combines elements of Nelyafinwe's mother name Maiti- (Common Eldarin magiti- shapely, Sindarin maed) and of the epesse russandol (C.E. russā, S. ross).

- Vinyar Tengwar 41, 'On Sindarizing of the names', p. 10


In other words, Maedros is simply Maitimo + Russandol.