Quenya 

quellë

fading

quellë noun "fading", in the calendar of Imladris a precisely defined period of 54 days, but also used without any exact definition, for the latter part of autumn and the beginning of winter (Appendix D)

quellë

noun. late autumn and early winter, (lit.) fading

Quenya [LotR/1107; LotR/1111] Group: Eldamo. Published by

histanë

fading

histanë pre-classical participle? "fading" (MC:213; this is "Qenya")