Bosworth Toller's

Anglo-Saxon

Dictionary online

æfter-boren

Entry preview:

Æfterbora (l. -en) postumus, An. Ox. 17, 34. Dele [ = æfter-genga, q. v.], and add

æfter-boren

(v.; part.)
Grammar
æfter-boren, [=æftergenga, q. v.] part.

Born after the father's deathposthumus

Entry preview:

Born after the father's death; posthumus, Ælfc. Gr. 47; Som. 48, 32