Meaning of the Sanskrit Word: yuyudhate

  yuyudhate—both used to fight    Adi 5.138
  yuyudhate—fought    SB 6.12.23
  yuyudhate—They both used to fight    SB 10.11.39, SB 10.11.40, SB 10.11.39-40

Can't find any compound Sanskrit words containing yuyudhate.