Dost thou意思

"Dost thou" is an archaic form of the English language, specifically a poetic or archaic second-person singular conjugation of the verb "to do" and a polite or formal way of addressing someone. It is used in the form of a question and is the second-person singular of the present tense of "do" in the past tense form. It is typically used in a context that is either very formal or intended to sound old-fashioned or poetic.

In modern English, "dost thou" would be equivalent to "do you" or "are you" in a question, depending on the context. For example, "Dost thou know the way?" would be equivalent to "Do you know the way?" in modern English.

This form of speech is rarely used in contemporary language, except in certain religious contexts (such as in some Anglican or Catholic services), in historical reenactments, or in literature intended to convey a sense of antiquity or formality.