κάθαμμα

ατος, τό

καθάπτω

A. knot: metaph.,κ. λύειν λόγου (dub.l.) to solve a knotty point, E. Hipp. 671 (lyr.); κ. λύειν, proverb from the Gordian knot, to overcome a difficulty, Zen. 4.46, Suid.
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project