षोडश्युक्थौ पूर्ववक्त्रात् पुरीष्यग्निष्टुतावथ ।
आप्तोर्यामातिरात्रौ च वाजपेयं सगोसवम् ॥ ४० ॥
sodasy-ukthau purva-vaktrat
sodasi-ukthau-types of sacrifices; purva-vaktrat-from the eastern mouth; purisi-agnistutau-types of sacrifices; atha-then; aptoryama-atiratrau-types of sacrifices; ca-and; vajapeyam-type of sacrifice; sagosavam-type of sacrifice.
All the different varieties of fire sacrifices [
sodasi, uktha,
purisi, agnistoma,
aptoryama, atiratra, vajapeya and gosava] became manifested from the eastern mouth of
Brahma.