ῥυτήρ

ῆρος, ὁ
A. saviour, guard, defender, σταθμῶν ῥ. Od. 17.187,223; ῥυτῆρες Διός Opp. C. 3.13: fem. abs., Id. H. 1.669; cf. ῥύτειρα. (Cf. ῥυστήρ 1.)
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project