Sindarin 

-ath

suffix. collective or group plural

Sindarin [Let/427; PE17/025; PE17/062; RC/347; RGEO/66; VT39/20; VT48/19] Group: Eldamo. Published by

-ath

suffix. group plural embracing all things of the same name

_pl.suff._group plural embracing all things of the same name, applied to things associated in some arrangement, or organization. >> elenath, ennorath, -rim

Sindarin [(PE17 Sindarin Corpus) PE17:25:62] -. Group: Parma Eldalamberon 17 Sindarin Corpus. Published by

-rim

suffix. collective or group plural

Sindarin [Let/178; PE17/062; SI/Golodhrim; UTI/Edhelrim] Group: Eldamo. Published by