Quenya 

-rin

suffix. -ian, racial-adjective, language

rin

dew

rin noun "dew" (LT1:265; rather rossë in LotR-style Quenya)

-ya

suffix. adjective suffix

fimbë

slender

*fimbë (stem fimbi-) adj. "slender" (PE17:23)

nindë

slender

nindë adj. "slender" (NIN-DI, pointing to a stem-form nindi-). Not to be confused with *nindë as the likely pa.t. of the verb nir-, q.v.

teren

slender

teren, terenë adj. "slender" (TER/TERES)