Where does “docos-” come from?

docos- (English) comes from Ancient Greek δώδεκα, from Proto-Indo-European *dwoΗdeḱm̥.

Ancestry of “docos-”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	δώδεκα	twelve
2	Proto-Indo-European	*dwoΗdeḱm̥	—

docos- — Etymology, Origin & Word History | Etymology Explorer