A word appearing as ᴱQ. qolúvie “pestilence” in the Qenya Lexicon of the 1910s, a noun form of ᴱQ. qolūva “pestilent, pestilential” (QL/78).
Neo-Quenya: I’d retain ᴺQ. quolúvië “pestilence” for purposes of Neo-Quenya. Not all Neo-Quenya writers accept quo- as a valid combination; see the entry on how [[q|[wo] became [o]]] for further discussion.
A noun for “pestilence” in the Gnomish Lexicon of the 1910s (GL/26), clearly related to ᴱQ. qolu “disease” and hence derived from the early root ᴱ√QOLO (QL/78).