A kind of Anācāra (2) (gross transgression of ascetic conduct);
to sit at the householder's house while moving around for collecting bhikṣā (accepting food etc. by going to houses for collecting them in conformity with the canonical instruction) from the houses.
gihaṃ ceva gihaṃtaraṃ taṃmi gihe nisejjā... ettha gocaraggagatassa nisejjā...
(Da 3.5 JiCū p.114)