§ Sirvinya ’New Sirion’ (TI:119) < element sir- *’river’ (SIR-) as in Sirion + Q. vinya ’new’, cf. winya ’new, fresh, young’ (VT45:16), ’young’ (PE17:191) and later compounds as Vinyarie ’Newyear’s Day’ (PM:127)
§ Andon (TI:308) *’long one’ < N. and, ann ’long’ (ÁNAD-, ANDA-) + name-formative or augmentative suffix -on (PE17:43, note)
These are earlier names of later Anduin, changed from Beleghir; the first one is unusually in Quenya.