The Hindi meaning of oregano is अजवाइन की पत्ती (Ajwain ki patti) or सुगंधित मरवा (Sugandhit marwa) . However, be careful: Ajwain seeds are different from oregano leaves. In many Indian contexts, oregano is simply called ओरेगानो (Oregano) because it is not native to India.
For accurate results, search: "Oregano leaves in Hindi" or "Oregano meaning in Hindi with image" to avoid confusing it with Ajwain seeds. oregano hindi meaning
Useful query. The answer is ओरेगानो (transliterated) or अजवाइन के पत्ते (context-dependent). Always double-check with a picture if cooking. The Hindi meaning of oregano is अजवाइन की