According to Northern Grammarians mātarapitarau is a valid form.,
This is formed by अरङ् substitution of the ऋ of मातृ ॥ The other form is मातापितरौ ॥,
मातर-पितराव् उदीचम्
Adhyāya 6 · Pāda 3 · Rule 32
Adhyāya 6 · Pāda 3 · Rule 32
According to Northern Grammarians mātarapitarau is a valid form.,
This is formed by अरङ् substitution of the ऋ of मातृ ॥ The other form is मातापितरौ ॥,