Mahabharata 7.56.18
अर्जुनेन प्रतिज्ञातमार्तेन हतबन्धुनाजयद्रथं हनिष्यामि श्वोभूत इति दारुक
arjunena pratijñātamārtena hatabandhunājayadrathaṃ haniṣyāmi śvobhūta iti dāruka
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book