Quenya 

hróna

eastern

hróna adj. "eastern" (PE17:18), apparently a variant of róna, q.v. (itself not clearly glossed).

róna

east

róna adj.? "east" (RŌ). Compare hróna.

róna

adjective. east

orróna

adjective. eastern

A longer variant of (h)róna “eastern” (PE17/18).

Conceptual Development: The Qenya Lexicon of the 1910s had ᴱQ. órea “of the dawn, Eastern” based on ᴱQ. óre “dawn, East” under the early root ᴱ√OŘO (QL/70).

Ambalar

east

Ambalar noun "East" (MC:221; this is "Qenya")

Rómë

east

Rómë noun "east", variant of Rómen (PE17:59). Possessive romeva (read rómeva?), genitive rómeö (Ibid.)

hró-

prefix. east

hróme(n)

noun. east

hrómen

east

hrómen noun "east", variant of the more common Rómen, q.v. (PE17:18)

orróna

eastern

orróna adj. "eastern" (PE17:18)

róme

noun. east

rómen

east

rómen, Rómen noun "east" (RŌ, MEN, SA:men), "uprising, sunrise, east" (SA:rómen); also name of tengwa #25 (Appendix E). Possessive form rómenwa (PE17:59).Variant hrómen, PE17:18. Rómenna, a place in the eastern part of Númenor, is simply the allative "eastward" (SA:rómen), cf. also rómenna in LR:47, 56. Ablative Rómello "from the East" or "[to one] from the East", hence Tolkien's translation "to those from the East" in his rendering of Namárië (Nam, RGEO:67, PE17:59; Romello with a short o in VT49:32). Masc. name Rómendacil "East-victor" (Appendix A; cf. Letters:425). Masc. name Rómestámo, Róme(n)star "East-helper" (PM:384, 391; probably ?Rómenstar must always become Rómestar, but Tolkien cited the form as Róme(n)star to indicate the connection with rómen "east")

rómenya

eastern

rómenya adj. "eastern" (RŌ)