Æfter-hætu

According to the Old English Dictionary:

e;

æfter-hætu

f. [æfter after, hǽtu heat] After-heat; insequens calor :-- Mid ungemetlícum hærfest-wætan and æfterhǽte from heavy harvest-rains and after-heat. Ors. 3, 3; Bos. 55, 23. æfter-hætu