Etymograph > Indo-European > Old English > Dictionary

ǣþe

qualified to swear an oath

Source: Kroonen 2013:15, https://bosworthtoller.com/61123
originates from: PGmc *aiþja- 'capable of taking an oath' (aiþja- > aiþj > aiþi > āþi > ǣþi > ǣþ) through pgmc-to-oe