Sindarin 

somma-

verb. to dive, duck

A neologism coined by Hialmr on 01-17-2018 in the Vinyë Lambengolmor Discord (VLDS), cognate to [ᴹQ.] sumba- “submerge” and based on the root ᴹ√SUB “sink (esp. in water)”.

Sindarin Group: Eldamo - neologism/reconstructions. Published by