Gāndharva-lakṣaṇa
Traits/Classification of the Gandharvas) and Royal-Genealogical Continuities (Vamśa-prasaṅga
ऋषय ऊचुः धुन्धोर्वधं महाप्राज्ञ घोतुमिच्छाम विस्तरात् / यदर्थं कुवलाश्वस्य धुन्धुमारत्वमागतम्
ṛṣaya ūcuḥ dhundhorvadhaṃ mahāprājña ghotumicchāma vistarāt / yadarthaṃ kuvalāśvasya dhundhumāratvamāgatam
The ṛṣis said: “O great sage, we wish to hear in full the slaying of Dhundhu—by what cause did Kuvalāśva attain the name Dhundhumāra?”