Meaning of the Sanskrit Word: acaryanidhi

  ācāryanidhi—Ācāryanidhi    Madhya 10.82, Madhya 12.157, Antya 7.50-52, Antya 10.139
  ācāryanidhi—Puṇḍarīka Vidyānidhi    Antya 10.4

Can't find any compound Sanskrit words containing acaryanidhi.