What kind of phrase is the underlined group of word? sometimes the moon is visible even (during the day)

When first i engaged in this work, i resolved to leave neither words nor things unexamined, and myself with a prospect of the hours which i should revel away in feasts of literature . . –preface to a dictionary of the english language, samuel johnson what is the connotation of the word revel in this passage?

The correct word to complete the sentence

The physical injuries thaqt the narrator and other soldiers suffer in ernest hemingways in another country are reprsentative of