Where does “rajab” come from?

rajab (Uzbek) comes from Chagatai رجب, from Arabic رَجَب — respect.

Ancestry of “rajab”, step by step

StepLanguageWordMeaning
1Chagataiرجب—
2Arabicرَجَبrespect
Every word from Arabic رَجَب →Every word from Chagatai رجب →