Where does “অ্যারিজোনা” come from?

অ্যারিজোনা (Bengali) comes from English Arizona, from Basque aritz ona, from Basque aritz — Nonstandard spelling of haritz.

Ancestry of “অ্যারিজোনা”, step by step

Step	Language	Word	Meaning
1	English	Arizona	A territory of the southwest Confederate (1862–1865) and United States of America (1863–1912), with its capitals at Tucson, Prescott, and Phoenix
2	Basque	aritz ona	good oak
3	Basque	aritz	Nonstandard spelling of haritz