BT Beṣ 7a(11) :משום דבריא ושמינא טפי
: because it is heavier and much fatter
See the entire entry for brē adj. healthy, firm
BT Beṣ 7a(11) :משום דבריא ושמינא טפי
: because (eggs of a pairing of a hen and cock) are fatter
See the entire entry for šammīn adj. fat