Where does “gummi” come from?

gummi (Czech) comes from Latin gummi, from Ancient Greek κόμμι, from Egyptian qmy — anointing oil.

Ancestry of “gummi”, step by step

Step	Language	Word	Meaning
1	Latin	gummi	Alternative form of cummis; gum
2	Ancient Greek	κόμμι	gum, obtained from babul
3	Egyptian	qmy	anointing oil