Where does “Adar” come from?

Adar is from Hebrew אֲדָר, a month name of uncertain etymology and meaning.

Ancestry of “Adar”, step by step

Step	Language	Word	Meaning
1	Irish	Adár	—
2	Hebrew	אֲדָר	—
3	Akkadian	Addarum	—

Adar — Etymology, Origin & Word History | Etymology Explorer