Pasu means
Appearance
Srimad-Bhagavatam
SB Canto 10.1 to 10.13
The word paśu means "animal."
SB 10.1.69, Purport: Vinā paśu-ghnāt. The word paśu means "animal." An animal killer, paśu-ghna, cannot enter into Kṛṣṇa consciousness. In our Kṛṣṇa consciousness movement, therefore, animal killing is completely prohibited.