Where does “cyborie” come from?

cyborie (Middle Dutch) comes from Latin cibōrium, from Ancient Greek κιβώριον — The seed vessel of the Egyptian water-lily.

Ancestry of “cyborie”, step by step

Step	Language	Word	Meaning
1	Latin	cibōrium	the seedvessel of sacred lotus which served as a drinking vessel with the Egyptians
2	Ancient Greek	κιβώριον	The seed vessel of the Egyptian water-lily