Yavannildi pl. noun "Followers of Yavanna" (sg. #Yavannildë?), Elvish women who knew and kept the secret of the making of coimas (lembas) (PM:404). Apparently Yavanna + hildi.
Quenya
hildi
followers
Yavannildi
followers of yavanna
aryon
heir
aryon noun "heir" (GAR under 3AR). In a deleted entry in the Etymologies, the word was given as aryo, aryon and defined as "son of property = heir" (VT45:14), whereas in VT45:16 (reproducing deleted material from the Etymologies), the word is defined as "heir, prince". Alternative form haryon.
hildi, -hildi noun "followers" (used = mortal men, the Second-born of Ilúvatar) (KHIL) (also Hildor, q.v.). Dat. pl. hildin "for men", a dative pl. occurring in Fíriel's Song. Cf. hildinyar "my heirs", evidently *hildë, hildo "follower, heir" + -inya "my" + -r plural ending (EO)