Etymograph : bil

Etymograph > Indo-European > Old English > Dictionary > bil

N (neut, a-stem)

a kind of sword or other bladed weapon, apparently having two edges

Source: https://en.wiktionary.org/wiki/bil#Old_English

Attested in Exeter Book Riddle 5 ("bille")

Inflected forms

bille "sword.dat" (oe-dat)