#ertha- (i ertha, in erthar). Isolated from the gerund #erthad (itself isolated from aderthad "reunion").
Sindarin
erthad
gerund noun. union, uniting
ertha-
verb. to unite
erthad
union
erthad
noun. union, uniting
Elements
Word Gloss ertha- “to unite”
ertha
unite
ertha
unite
(i ertha, in erthar). Isolated from the gerund #erthad (itself isolated from aderthad "reunion").
(pl. erthaid)