A word in the Qenya Lexicon of the 1910s glossed “bride” or “wife” based on the early root ᴱ√KAYA “lie, rest; dwell” (QL/30, 46), also mentioned in the Poetic and Mythological Words of Eldarissa with the gloss “wife, bride” (PME/30). Tolkien said it was used as a name of ᴱQ. Erinti (QL/36; PME/30).
Early Quenya
akairis
feminine name. Bride
akairis
noun. bride, wife
akairisan
noun. bride chamber, thalamus
Another name for Erinti appearing in the Qenya Lexicon from the 1910s (QL/36). It is simply akairis “bride” used as a name.