tyel (1) noun "end", stem tyeld- as in the pl. form tyeldi (FS, KYEL; the pl. form tyeldi_ was misread as "tyelde" in the Etymologies as printed in LR; cf. VT45:25 for this correction)_. Cf. tyelma.
Quenya
tel
roof
tyel
end
tel-
verb. to end, finish (intr.)
tyel-
verb. end, cease
tyel- (2) vb. "end, cease" (KYEL)
tel
noun. end
metta
end
metta noun "end"; Ambar-metta "world-end, the end of the world" (EO); mettarë *"end-day" = New Years' Eve in the Númenórean calendar and the Steward's Reckoning, not belonging to any month (Appendix D). The word Mettanyë, heading the final part of the poem The Trees of Kortirion, would seem to be related (LT1:43)
tópa
roof
tópa noun "roof" (TOP)
tópa-
verb. roof
tópa- vb. "roof" (TOP)
tel noun "roof" (LT1:268). Rather tópa in Tolkiens later Quenya.