The spelling of the phrase "hath to dinner" is a bit outdated and may be confusing for modern readers. "Hath" is an archaic form of "has" that was commonly used in the past. The sound "hæθ" is represented by the IPA phonetic transcription /hæθ/, which shows the "th" sound is pronounced with the tip of the tongue between the top and bottom teeth. "To" and "dinner" have their modern spellings and pronunciations, which are /tu/ and /dɪnər/ respectively.
"Hath to dinner" is a phrase that originates from old English and is composed of two parts: "hath" and "to dinner."
"Hath" is the archaic third-person singular present tense form of the verb "to have" and is no longer commonly used in modern English. It signifies possession or ownership, indicating that someone possesses or has something in their control.
"To dinner" simply refers to the act of going or heading towards a meal that is consumed midday or in the early afternoon, commonly known as the main meal of the day.
When combined, the term "hath to dinner" refers to the action of someone having or possessing the responsibility or obligation to go or head towards a midday or early afternoon meal. It suggests that the person is required or expected to attend a mealtime gathering, usually involving food intake.
Although the phrase may not be widely used today, it provides insight into the language and customs of a previous era. It may also evoke images of social gatherings or societal norms related to shared meals and communal dining practices in older times.