ekada—once upon a time; asramatah—from the asrama of Jamadagni; rame—when Lord Parasurama; sa-bhratari—with his brothers; vanam—into the forest; gate—having gone; vairam—revenge for past enmity; sisadhayisavah—desiring to fulfill; labdha-chidrah—taking the opportunity; upagaman—they came near the residence of Jamadagni.