A word appearing as G. anothrin “adult (of men), fullgrown; manly” in the Gnomish Lexicon of the 1910s, an adjectival form of G. anoth “manhood†; man (fullgrown)” (GL/19).
Neo-Sindarin: I would adapt this word into Neo-Sindarin as ᴺS. anwathren “manly, masculine” as adjectival form of ᴺS. anwas “manhood”, both based on later N. anw “male (person or animal)” (Ety/ƷAN).
A noun appearing as G. anoth in the Gnomish Lexicon of the 1910s originally meaning “manhood” as an elaboration of G. an “person”, but later coming to mean ”man (fullgrown), warrior” (GL/19).
Neo-Sindarin: I would adapt this word into Neo-Sindarin as ᴺS. anwas with the sense “manhood”, based on later N. anw “male (person or animal)” (Ety/ƷAN).