Where does “Hadith” come from?

Hadith (English) comes from Arabic حَدِيث, from Arabic حَدَّثَ — to tell, relate, report.

Ancestry of “Hadith”, step by step

Step	Language	Word	Meaning
1	Arabic	حَدِيث	Prophetic tradition; new, recent, modern; story,...
2	Arabic	حَدَّثَ	to tell, relate, report

Hadith — Etymology, Origin & Word History | Etymology Explorer