πύνδαξ

Etymology
Probably from, the same root of and 🇨🇬. However the medial "-νδ-" is highly problematic, as well as the initial "π-" instead of "φ-" (since it was no longer followed by "θ").

Noun

 * 1) bottom of a jar, cup or other vessel
 * 2) hilt of a sword