Probably from Sadok; a Sadducaean (i.e. Tsadokian), or follower of a certain heretical Israelite -- Sadducee.

see GREEK Sadok

Σαδδουκαῖοι (saddoukaioi) − 5 Occurrences

Σαδδουκαίους (saddoukaious) − 1 Occurrence

Σαδδουκαίων (saddoukaiōn) − 8 Occurrences