aþum

== Old English == === Etymology === From Proto-West Germanic *aiþum. === Pronunciation === IPA(key): /ˈɑː.θum/, [ˈɑː.ðum] === Noun === āþum m son-in-law brother-in-law ==== Declension ==== Strong a-stem: ==== Descendants ==== Middle English: aþum, oþom, oþam, oþem