Sindarin 

gu

preposition. (together) with

A neologism coined by Vyacheslav Stepanov in 2022-03-08 on the Vinyë Lambengolmor Discord Server (VLDS) based on √WO “together” and derived from > gwō > gwū > > gu.

Sindarin Group: Eldamo - neologism/reconstructions. Published by