The spelling of the phrase "letted come" may seem confusing, but it can be broken down phonetically. "Letted" is pronounced /lɛtɪd/, with the IPA symbols for the short "e" sound, the "t" sound, the schwa vowel sound, and the "d" sound. "Come" is pronounced /kʌm/, with the symbols for the "k" sound, the "uh" sound, and the "m" sound. Together, the phrase means to allow or permit something to happen, with the origin of "let" coming from Old English.