andatehta noun "long-mark" (TEK, PE17:123), indicated to be an accent-like symbol ´ used to mark long vowels (VT46:17). Compare anda, tehta.
Quenya
tehta
mark, sign
tehta
noun. (written) mark, sign, symbol, †written letter, (written) mark, sign, symbol, [ᴹQ.] diacritic, [Q.] †written letter
andatehta
long-mark
andatehta
noun. long-mark
tehtalë
noun. art of writing, script; writings, documents, papers, scriptures
óma
voice
óma noun "voice" (OM), "voice, resonance of the vocal chords" (VT39:16), "voice /vowel" _(PE17:138, where it is said that the root _OM refers to "drawn-out" sounds; contrast tomba, q.v.). With pronominal suffix #ómarya "his/her voice", genitive ómaryo "of his/her voice" (Nam, RGEO:67). Instrumental pl. ómainen "with voices" _(WJ:391). Adj. ómalóra "voiceless" (VT45:28)_. The term óma is closely associated with vowels, see óma-tengwë, ómëa; cf. also the compounds ómataina "vocalic extension", the addition to the base a final vowel identical to the stem-vowel (WJ:371, 417; also called ómataima, VT42:24, 25), ómatehtar "vowel-signs", signs used for vowels (usually called simply tehtar, but the latter term strictly includes all kinds of diacritics, not just the vowel-signs) (WJ:396)
londa
path
[londa noun "path"], changed by Tolkien to londë noun "road (in sea)" (VT45:28)
tier
path
tier is, besides the pl. form of tië "path" above, an ephemeral word for "so", abandoned by Tolkien in favour of tambë (VT43:17)
tië
path, course, line, direction, way
tië noun "path, course, line, direction, way" (TE3, VT47:11); pl. tier in Namárië(Nam, RGEO:67); tielyanna "upon your path" (UT:22 cf. 51; tie-lya-nna "path-your-upon")
tehta noun "mark, sign" (TEK, VT39:17, Appendix E), especially diacritics denoting vowels in Fëanorian writing (pl. tehtar is attested); these diacritics are explicitly called ómatehtar "vowel-marks", q.v.