ὕθλος

A. idle talk, nonsense, Pl. Ly. 221d, D. 35.25; γραῶν ὕ. old wives' gossip, Pl. Tht. 176b, Porph. Abst. 4.16, cf. Jul. Or. 5.161b (pl.): pl., ὕθλους λέγειν, Pl. R. 336d.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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