A preposition (and adverb?) for “above” in the English-Qenya Dictionary of the 1920s, used with the genitive (PE15/68). It is simply the locative of ᴱQ. kas.
Early Quenya
orta
preposition. above
amu-
verb. to raise
atta
preposition. above
kasse
preposition. above
oro-
verb. to rise
orto-
verb. to raise
The Qenya Lexicon of the 1910s had ᴱQ. orta “above” under the early root ᴱ√ORO (QL/70). The English-Qenya Dictionary of the 1920s had orta “above” as an adverb, plus atta/orta as prepositions, but these were all deleted.
Neo-Quenya: Luinyelle and Arael coined a neologism ᴺQ. orsa [þ] “upper, above” as an adjective, posted to the Vinyë Lambengolmor Discord Server (VLDS) on 2022-05-23 and inspired by G. ortha and ᴺS. orth “upper”. As pointed out by Parmandil in 2024, this cannot be derived from ✱ortha since otherwise rth > rt, so it must be from or(o)thā; compare ursa [þ] “rage” < ✱ur(u)tha.