Pronunciation: [hˈadəst dˈɪnə] (IPA) 
The correct spelling of the word "haddest dinner" is actually "hadst dinner." This is an archaic form of the word "had," which means to possess or hold. The suffix "-est" is added to indicate that it is in the second person singular form. The IPA transcription of this word is /hæd·st ˈdɪn·ər/. It is important to note that this form of the word is no longer commonly used in modern English and may be confusing to some readers.
The phrase "haddest dinner" does not have its own specific etymology, as it is a combination of two separate words. To understand the origins, let us break down the components:
1. "Haddest": This is the second person singular, past tense form of the verb "to have" in Middle English. The word "haddest" comes from the Old English word "hæfde", which also means "had". Over time, as the English language evolved, the inflection of verbs changed, and "haddest" became obsolete.
2. "Dinner": This word is derived from the Old French word "disner", which entered Middle English as "diner". Originally, "diner" referred to the main meal of the day, but its meaning eventually shifted to refer more specifically to the midday meal. In contemporary usage, "dinner" typically refers to the evening meal.
