σφάκελος

Etymology 1
The formation is similar to and, from an  root. The word has been connected with 🇨🇬 and Low German but it can hardly be correct.

Noun

 * 1)  gangrene, caries, necrosis
 * 2) spasm, convulsion, cramp, twitching pain

Etymology 2
From, in view of the variation.

Noun

 * 1)  middle finger