pyx

The noun is derived from Late Middle English pix, pixe (“vessel for holding a host, pyx; hip bone socket, pyxis”) [and other forms], from Late Latin pyxis (“vessel for holding a host”), Latin pyxis (“small box for medicines or toiletries; box holding sample coins for testing; hip bone socket; sailor's compass”), from Koine Greek πυξίς (puxís), Ancient Greek πῠξῐ́ς (pŭxĭ́s, “box; box or tablet made of boxwood; cylinder”), from πῠ́ξος (pŭ́xos, “box tree; boxwood”) + -ῐς (-ĭs, suffix forming feminine nouns). Doublet of box, piseog, and pyxis.

The verb is derived from the noun.