#par- vb. "learn" (acquire information, not by experience or observation, but by communication, by the instruction, or by written accounts, of others). Paranyë (apárien) parmanen, "I am learning (have learnt) by means of a book" (PE17:180). It may be that Tolkien at some point intended the root par- to mean "write", cf. loiparë.
Sindarin
gelia-
verb. learn
gelia-
verb. to learn
The root ÑGOL causes i ngelia (who learns)