LSJ
ή, όν, later contr. of εὐδιεινός, Orph. H. 22.5 codd. ; Comp. -ότερος An.Ox. 2.207; also εὐδινή (v.l. -διεινή) Str. 6.3.9, cf. OGI 194.22 (Egypt, i BC), Hsch.
Liddell-Scott-Jones, Greek-English Lexicon (9th ed., 1940)
Pape
Opp. H. 21.5, l.d. S. εὐδιεινός.
Pape, Griechisch-deutsches Handwörterbuch (3. Aufl., 1914)