Entry record from Sneddon (1978a): Proto-Minahasan
Page number: 172
*səpaʔ
• noise of smacking lips while eating; make a noise while eating.
Note: Tdn, Tse, Tbl, Ttb, Tsw səpaʔ 'noise of smacking lips while eating; make such a noise while eating' [PPh *sepaq 'chew thoroughly'].