Meaning of the Sanskrit Word: svadhyayah

  svādhyāyaḥ—study of the Vedas    Adi 17.76, Madhya 20.137, Madhya 25.137, Antya 4.59
  svādhyāyaḥ—study of Vedic literature    Bg 16.1-3
  svādhyāyaḥ—reading of transcendental literatures like Bhagavad-gītā, Śrīmad-Bhāgavatam, Rāmāyaṇa and Mahābhārata (or, for those not in Vedic culture, reading of the Bible or Koran)    SB 7.11.8-12

Can't find any compound Sanskrit words containing svadhyayah.