Quote:
Either way, it is unlikely they would have related. Legolas was a Sindarin elf whose family originally came from Doriath. The Gondolins were Noldor Elves. The Lost Tales contain some of Tolkien's earliest writings. In these he oftern uses different names for characters than what they eventually became called. In some instances some of the names get swapped around and reused by different characters. If Legolas gets used twice, this is possibly what happened.'
Not all the Elves of Gondolin were Noldor but you are correct in that at the time Tolkien wrote this very early version, this
Laigolas Legolast was a Gnome. (
'Note: Laigolas=green-leaf (...) But perhaps both were his names, as the Gnomes delighted to give two similar sounding names of dissimilar meaning, as Laigolas Legolast, Turin Turambar, etc. Legolas the ordinary form is a confusion of the two.' JRRT, BLT)
Tolkien had actually altered
The Grey Annals to include many Sindar: when Turgon sent his people forth from Nivrost to Gondolin they constituted
'a third part of the Noldor of Fingolfin's House, and a yet greater host of the Sindar' (compare to the constructed Silmarillion). Although in the very late essays on Glorfindel he seems to have forgotten this, or revised the idea again, stating that Gondolin was
'occupied by a people of almost entirely Noldorin origin.' Even with 'almost' here my
guess would be that Tolkien had possibly forgotten the idea in the Annals.
We have no great reason (that I know of anyway) to connect the character from
The Lord of the Rings to any elf in Gondolin. JRRT's 'updated'
Fall of Gondolin was abandoned fairly early, but he did revise the story behind the name
Legolas from the early 'confusion of two Gnomish names' (the language called Gnomish being abandoned)... to a Silvan version of Sindarin
Laegolas.