ithandalteration (due to assimilation to suffix -and) of ithen, from Old Norse iðinn (“assiduous, diligent”), from iðja, iðna (“to do, perform”), from ið (“a
identto assimilation to suffix -and) of Middle English ithen, from Old Norse iðinn (“assiduous, diligent”), from iðja, iðna (“to do, perform”), from ið (“a