IAXTES, fluv. quem eodem cum superiore tractu quidam locant, cuius meminit Claud. de Prob. & Olyb. Cons. Carm. 1. v. 160.

Lexicon Universale
Navigatio

Anterius
Iaxartes

Posterius
Jay

In Vicipaedia:

In Victionario:

————— Sic nobis Scythicus famulatur Araxes.