The spelling of "dost offhand" is actually incorrect. However, it can be deciphered based on its phonetic transcription: /dʌst ˈɒfhænd/. The first word should be "just" instead of "dost", which is a Middle English word for "do". The second word, "offhand", is spelled correctly and means done without preparation or rehearsal. So, instead of writing "dost offhand", it should be "just offhand" to make sense in modern English. Always double-check your spelling and pronunciation to avoid confusion.
The phrase "dost offhand" is a combination of two separate words: "dost" and "offhand".
1. Dost: This is the second person singular present tense form of the verb "do" in Early Modern English. It is derived from the Old English verb "dōn" and means "to do" or "to make". "Dost" was commonly used during the Middle English period but gradually fell out of use in modern English.
2. Offhand: This term originated in the late 17th century and is a combination of the words "off" and "hand". The word "off" implies a lack of preparation or forethought, while "hand" refers to the skill or ability to perform an action. Therefore, the phrase "offhand" means to do or say something without preparation, spontaneously, or without much thought.