Qenya equivalent of G. Asgon appearing as Aksanda in the Gnomish Lexicon from the 1910s (GL/20) and as Aksan in other early name lists (PE13/101; PE15/20). It is probably derived from aksa “waterfall” according to Christopher Tolkien (LT1A/Asgon).
Early Quenya
aksa
noun. waterfall
aksa
adjective. of bone
aksan(da)
place name. Aksan(da)
aswa
adjective. of bone
A word for “waterfall” in the Qenya Lexicon of the 1910s, derived from the root ᴱ√ASAKA (QL/29). It also appeared in the contemporaneous Gnomish Lexicon as a cognate of G. acha of the same meaning (GL/17).