acostian

== Old English == === Alternative forms === ācostnian === Etymology === From ā- +‎ costian (“to try, prove, examine”). === Pronunciation === IPA(key): /ɑːˈkos.ti.ɑn/ === Verb === ācostian to try to prove to esteem ==== Conjugation ==== === References === Joseph Bosworth; T. Northcote Toller (1898), “á-costnian”, in An Anglo-Saxon Dictionary, second edition, Oxford: Oxford University Press.