The spelling of "haddest a shot" follows Old English grammar rules, where "haddest" is the second person singular past tense form of "have" and "a" is used as the indefinite article. The pronunciation of "haddest" is /ˈhæd.ɪst/ with emphasis on the first syllable, and "shot" is pronounced as /ʃɒt/. Together, the phrase is pronounced as /ˈhæd.ɪst ə ʃɒt/. While this spelling is not commonly used in modern English, understanding its origins can help deepen one's understanding of the language.