The figure of speech (Poetic Device) used in the expression "Far Far from gusty waves" is: Alliteration

Alliteration is a literary device where a series of words in a sentence or phrase have the same initial consonant sound. In the given expression "Far Far from gusty waves," the repetition of the "f" sound in "Far Far" constitutes alliteration. It creates a rhythmic and melodic quality in the language, enhancing the poetic or aesthetic appeal of the phrase.