The high tower of Ingwë at the summit of Túna in the city of Tirion (S/59), in some places simply called Mindon (S/70). This name is a combination of mindon “(lofty) tower” and the possessive form of Eldalië “Elven-folk”.
Conceptual Development: In Silmarillion drafts from the 1930s this tower was called ᴹQ. Ingwemindon the “Tower of Ingwë” (LR/222).
mindon noun "(great, lofty) tower", said to be an augmented form of mindë (VT42:24). Allative pl. mindoninnar in Markirya, changed to the contracted form mindonnar. Cf. also Mindon Eldaliéva "Lofty Tower of the Eldalië" (Silm)