What is most important word in sonnet 61 by francesco petrarch?

It's impossible to definitively say which word is the "most important" in Sonnet 61 by Francesco Petrarch. The importance of a word depends on the reader's interpretation and the specific aspect of the sonnet they are focusing on.

However, some words that could be argued to be particularly important include:

* "Amor" (Love): This is the central theme of the sonnet, and the word itself appears multiple times. The sonnet is a meditation on the power and nature of love, and its impact on the speaker.

* "Sdegno" (Anger): This word describes the speaker's feeling of anger towards love, which he perceives as a force that is both beautiful and destructive.

* "Speranza" (Hope): The speaker expresses hope for the future, despite the pain caused by love. This word suggests a potential for change and redemption.

Ultimately, the importance of each word in the sonnet is subjective and depends on the individual reader's interpretation. It's a beautiful and complex poem that invites readers to explore its layers of meaning.