The spelling of the phrase "leaved luck" follows the basic rules of English phonetics. The pronunciation of "leaved" is /liːvd/ with the "-ed" suffix indicating past tense. The word "luck" is spelled phonetically as /lʌk/, with the "u" representing the short vowel sound. Together, the phrase means having left one's luck behind in the past. By understanding the phonetic sounds of English words, the correct spelling of words can be determined, helping to improve one's writing and communication skills.