The spelling of "letted wind out sails" may seem confusing at first, but it is actually a form of the phrase "letting the wind out of our sails" which means to deflate someone's enthusiasm or confidence. The word "letted" is an archaic form of "let," which means to allow or permit something. In IPA phonetic transcription, the word would be pronounced as ˈlɛtɪd wɪnd aʊt seɪlz.