asaṃvāsa : [adj.] unfit to associate.

A.P. Buddhadatta Mahathera, Concise Pali-English and English-Pali Dictionary [available as digital version from Metta Net, Sri Lanka]

Asaŋvāsa (adj.) [a + saŋvāsa] deprived of co -- residence, expelled from the community Vin iv.213, 214.

Pali-English Dictionary, TW Rhys Davids, William Stede,