Where does “Purim” come from?

Purim derives from Hebrew פּוּרִים, a plural form whose ultimate meaning remains uncertain.

Ancestry of “Purim”, step by step

Step	Language	Word	Meaning
1	Yiddish	פּורים	—
2	Hebrew	פורים	lots; Purim
3	Hebrew	פּוּר	—

Purim — Etymology, Origin & Word History | Etymology Explorer