Wær-word

According to the Old English Dictionary:

es;

wær-word

n. A word of caution, forewarning:--Wærwordum antefatis (as if from ante-fatus = spoken before, cf. antefata forewyrde, 100, 28; but the Latin is ante fatis. Cf. Hpt. Gl. 529, 40 fatis ge-wyr[dum]), Wrt. Voc. ii. 88, 34: 5, 42. wær-word