Khadiragrihyasutra 3.2.4

3.2.4

apa upaspṛśyauvaṃ pratidiśaṃ yathāliṅgam / 4

Having touched water, he should do the same
2, 1. srâvanyâm paurnamâsyâm grihâd agnim atipranîya pratidisam upalimped adhike prakrame. 2. sakridgrihîtân saktûn darvyâm kritvâ pûrvopalipte ninîyâpo yah prâkyâm iti balim nirvapen. 3. ninayed apâm sesham. 4. apa upasprisyaivam pratidisam yathâliṅgam. towards the other directions (of the horizon) according as they are mentioned in the Mantras.