Lat. Twice. Bis idem esdgi bona fides non patitwf et in sa’tisfactionibns non permittitnr amplins fieri qnam semel factum est. Good faith does not suffer the same thing to be demanded twice; and in making satisfaction [for a debt or demand] it is not allowed to be done more than once. 9 Coke, 53.
BIS
TheLaw.com Law Dictionary & Black's Law Dictionary 2nd Ed.