Where does “Алҷазоир” come from?

Алҷазоир (Tajik) comes from Persian الجزایر, from Arabic اَلْجَزَائِر, from Arabic جَزِيرَة — island.

Ancestry of “Алҷазоир”, step by step

StepLanguageWordMeaning
1Persianالجزایر
2Arabicاَلْجَزَائِرthe islands; Algiers
3Arabicجَزِيرَةisland
Every word from Arabic جَزِيرَةEvery word from Arabic اَلْجَزَائِرEvery word from Persian الجزایر