εὔστομος

ον, μως, ώτατα, Adv.

στόμα

A. with mouth of good size, of dogs, X. Cyn. 4.2; of horses, εὔ. τῷ χαλινῷ well-bitted, opp. ἄστομος, Plu. 2.39a.
2. with large mouth, of cups, Luc. Lex. 7; of a harbour, Poll. 1.100.
3. easy to keep open, of a vein, Aret. CA 2.2.
II. speaking well, eloquent, AP 14.10.8 (Comp.), Ptol. Tetr. 166; making eloquent, λάγυνος AP 9.229 (Marc.Arg.). Adv. -μως with clear utterance, Ael. NA 4.42: Sup. -ώτατα ib.13.18; melodiously, ib.1.43; ᾖδον Aristaenet. 2.19.
2. like εὔφημος, avoiding words of ill omen, and so, keeping silence, περὶ μὲν τούτων . . μοι . . εὔστομα κείσθω on these things . . let me keep a religious silence, Hdt. 2.171, cf. Ael. NA 14.28, Porph. Abst. 2.36; εὔστομ’ ἔχε peace, be still! S. Ph. 201 (lyr.).
III. pleasant to the mouth, palatable, Thphr. HP 2.6.10 (Comp.),4.3.4, Sor. 1.94, Dsc. 1.110 (Comp.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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