αἴτιος

Etymology
From, from , from. Cognates include 🇨🇬, 🇨🇬 and perhaps 🇨🇬 (though the latter is disputed by Beekes).

Adjective

 * 1) causing, being the author of, responsible for
 * 2) to blame, blameworthy, guilty, reprehensible, culpable

Noun

 * 1) defendant, the accused, culprit