出典:Wiktionary
From Middle English kyngly, from 古期英語 *cyninglīċ (“kingly, royal”), equivalent to king + -ly. Cognate with Dutch koninklijk (“kingly, royal”), German königlich (“kingly”), Swedish kunglig (“kingly”). Compare also 古期英語 cynelīċ (“kingly, royal, public”).
kingly (comparative kinglier, superlative kingliest)
From Middle English kyngly, from 古期英語 *cyninglīċe (“kingly, royally”), equivalent to king + -ly. Compare 古期英語 cynelīċe (“kingly, royally, publicly”).