Where does “Gaidar” come from?

Gaidar (Romanian) comes from Russian Гайдар, from English haydar, from Arabic حَيْدَر.

Ancestry of “Gaidar”, step by step

StepLanguageWordMeaning
1RussianГайдар
2Englishhaydar
3Arabicحَيْدَر
Every word from Arabic حَيْدَرEvery word from English haydarEvery word from Russian Гайдар