prosicum

prosicum [cf. LL prosicies, CL prosectum] , (in gl.) that which is cut away from something else, (spec.) ‘first part’ of entrails or innards of sacrificial victim (used in divination). ~um, quicquid de aliqua materia supervacuum absciditur, quod etiam ~uum dicitur. Martianus: ‘physiculatis extorum ~is’ Osb. Glouc. Deriv. 470; proseco ‥ inde ‥ hoc ~um, -ci [ed. Mai: ~ium, -cii], i. prima pars extorum Ib. 530 (cf. ib. 231).