Which 'Samasa' (compound type) is present in the word 'कृतकृत्य' (Kritakritya)?

The word 'कृतकृत्य' literally translates to "one whose duties have been thoroughly performed or accomplished". Structurally, it is formed by combining two overlapping adjectival terms ('कृत' + 'कृत्य'), where one defines or qualifies the other. Compounds having an adjective-adjective relationship fall under Karmadharaya Samasa.