Pronunciation: [hˈe͡ɪst dˈuː wɪð] (IPA) 
The phrase "hast do with" is correct, but nowadays it is commonly written as "has to do with". The pronunciation remains the same, [hæst du wɪð], with the stressed syllable on "do". The old form "hast" is the second person singular of the verb "have", which is not as common in modern English. Nonetheless, it is still encountered in literature and historical texts. "To do with" means "to be related to" or "to involve".
"Hast do with" is a phrase used in old English, which is derived from the Middle English term "hasten" meaning "to hurry" or "to move quickly." In the context of this phrase, "hast" refers to the verb form of "haste" or "to hurry," and "do" serves as an auxiliary verb. Therefore, when "hast" and "do" are combined, it implies an action performed swiftly or expediently.
The phrase "hast do with" typically conveys a sense of urgency or an immediate response to a situation or task at hand. It suggests engaging in or dealing with an action promptly, perhaps without much hesitation or delay. It often alludes to taking quick action or making swift decisions, emphasizing efficiency and timeliness.
When someone is advised to "hast do with" something, they are being encouraged to approach the matter diligently and efficiently, wasting no time. It implies a call to promptly address, fulfill, or complete a particular task or responsibility. This phrase is generally used colloquially or in more archaic forms of English and might not commonly be encountered in contemporary conversation.
Overall, "hast do with" seeks to emphasize the importance of expeditious action, signaling a swift response or engagement in a given context to ensure efficiency and timely accomplishment.
