An adjective appearing as ᴹQ. kuina “alive” in The Etymologies of the 1930s derived from the root ᴹ√KUY “come to life, awake” (Ety/KUY).
Conceptual Development: A similar adjective ᴱQ. koina “living, alive” appeared in the Qenya Lexicon of the 1910s based on the early root ᴱ√KOẎO “have life” (QL/48).
Neo-Quenya: Tolkien vacillated between the two roots √KOY and √KUY for “life”; I prefer to use √KOY for purposes of Neo-Eldarin, so I’d use ᴺQ. coina for “alive”. For “living” I’d using the word Q. coirëa from the 1950s (PM/399).
A holiday in drafts of the Lord of the Rings appendices (PM/134), apparently a compound of koire “stirring” and are “day”.