pacamy annam catur-vidham
aham-I; vaisvanarah-by My plenary portion as the digesting fire; bhutva-becoming; praninam-of all living entities; deham-body; asritah-situated; prana-outgoing air; apana-downgoing air; samayuktah-keep balance; pacami-digest; annam-foodstuff; catur-vidham-four kinds of.