From English-Hindi FreeDict Dictionary ver. 1.6: crux /kɹˈʌks/ <N> 1. समस्या~का~महत्वपूर्ण~अंग "The crux of the matter was solved with great difficulty"
crux /kɹˈʌks/ <N> 1. समस्या~का~महत्वपूर्ण~अंग "The crux of the matter was solved with great difficulty"