Meaning of the Sanskrit Word: krsnat

  kṛṣṇāt—than Lord Kṛṣṇa    Adi 1.3, Adi 2.5, Adi 3.27, Antya 7.15
  kṛṣṇāt—from Kṛṣṇa    Bg 18.75, SB 3.1.13
  kṛṣṇāt—from the Supreme Lord, Kṛṣṇa    SB 3.5.3
  kṛṣṇāt—by Kṛṣṇa    SB 3.14.51

Can't find any compound Sanskrit words containing krsnat.