Mahabharata 12.160.1

वैशंपायन उवाच · vaiśaṃpāyana uvāca

कथान्तरमथासाद्य खड्गयुद्धविशारदःनकुलः शरतल्पस्थमिदमाह पितामहम्

kathāntaramathāsādya khaḍgayuddhaviśāradaḥnakulaḥ śaratalpasthamidamāha pitāmaham

Our plain-language meaning of this verse is waiting for scholar review.