Liddell–Scott–Jones: ὀρθρ-ινός

ὀρθρ-ινός,ή,όν , ̔ὄρθρος̓later form ( Phryn. PS p.93

B. ) forὄρθριος,

LXX Wi. 11.22 , al. ;

A.

ὀρθρινὸς οἴχεσθαι

AP 5.176

( Mel. );ὀ. δῶραib. 7.195 (Id.) : neut. pl. asAdv.,ὀρθρινὰ παίζεινib. 12.47 (Id.). [ῐ

AP 5.176 , 12.47 , as inἠρινός, θερινός, χειμερινός: Arat. 948 , AP 6.160 (Antip. Sid.), etc. makeιlong, prob. in imitation ofὀπωρῑνῷwhich is a metr. necessity in Hom. ,v.sub voc.]