σκῶλον

τό
II. stumblingblock, hindrance, like σκάνδαλον, LXX Ex. 10.7, al.:—whence σκωλόομαι, Pass., to be offended, Aq. Ho. 9.8, Al.De. 7.25.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
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