exegesis
noun
[ ˌɛksɪˈdʒiːsɪs ]
• critical explanation or interpretation of a text, especially of scripture.
• "the task of biblical exegesis"
Origin:
early 17th century: from Greek exēgēsis, from exēgeisthai ‘interpret’, from ex- ‘out of’ + hēgeisthai ‘to guide, lead’.