Æftemest

According to the Old English Dictionary:

-myst, -most;

æftemest

adj. superlative of æfter ,- After-most, last; postremus, novissimus :-- Ðeós bóc is æftemyst on ðære biblioþécan this is the last book of the Bible, Ælfc. T. 31, 22; Grn. Ælfc. T. 16, 3. Ðonne he sylf mid ðam fyrmestan dǽle wið ðæs æftemestan flúge when he himself with the first part should flee towards the hindermost, Ors. 4, 6 ; Bos. 85, 20: Mk. Bos. 12, 22: Jn. Bos. 7. 37. æftemest