Quenya 

erinqua

single, alone

erinqua adj. "single, alone" (VT42:10)

erinqua

adjective. single, alone

A word in notes from the late 1960s given as the equivalent of S. ereb “single, alone”, derived from ✶erikwa based on √er “one, single, alone” (VT42/10).

erya

single, sole

erya adj. "single, sole" (ERE)

rea

adjective. single

Quenya [PE 22:158] Group: Mellonath Daeron. Published by

rëa

adjective. single

An adjective appearing in a marginal note to Late Notes on Verb Structure (LVS) from 1969 glossed “single” with an adverbial variant rië “only”, both derived from ✶ “single item taken out of a (long) series” and hence related to “day” (PE22/158).