Another name for Gondolin appearing in The Etymologies from the 1930s, a combination of gonn “stone” and ost “city” (Ety/GOND).
Noldorin
gondolindrin
proper name. Tongue of Gondolin
gondolindeb
proper name. Tongue of Gondolin
gondost
place name. Gondolin
Name of the dialect of Gondolin (LR/177), a combination of that name with the Quenya language suffix ᴹQ. -rin.
Conceptual Development: This name was first written Gondolindeb with the Noldorin adjective suffix -eb.