I think you can see the similarities between “Cele/Tele” and “born/porn(o)”, right?
Similarly Galadriel (Sinadrin) has a Quenya name - Altáriel.
We have very similar situations here on Earth with differences in spelling/pronunciation between languages (and ages): James vs Iacobus or Catherine vs Aikaterínē.
Not “nearly” and not “Celeborn Teleporno”.
Celeborn is his name in the language Sindarin.
Teleporno is his name in the language Quenya.
I think you can see the similarities between “Cele/Tele” and “born/porn(o)”, right?
Similarly Galadriel (Sinadrin) has a Quenya name - Altáriel.
We have very similar situations here on Earth with differences in spelling/pronunciation between languages (and ages): James vs Iacobus or Catherine vs Aikaterínē.