Liddell-Scott-Jones

εὔηχος (euēchos) distinct ^G:A

εὔηχος-ος, ον,

={εὐηχής}, euphonious, [Refs 1st c.BC+]; melodious, of the voice, [εὔηχοςα as ">LXX+1st c.AD+] adverb, κελαδεῖν Ps.-[Refs 2nd c.AD+]: regular adverb -ήχως Thom.Mag.p.223 R.

_{LSJ Scripture Refs: LXX.Ps.150.5}