Mayest is the second person singular of the archaic or poetic verb "may." It is used to indicate possibility or permission. For example: "Thou mayest go" (meaning "You may go"). It is similar to the modern verb "can" or "may", but it is not commonly used in modern English.
A mayfly is a type of insect that is very short-lived, typically emerging from a water source, living for only a few minutes to a few hours as an adult, and then dying soon after mating. Mayflies are often found near water and are attracted to light, which can make them a nuisance during the summer months.
Maynard is a surname of English origin, derived from the Old English words "maegn" meaning "strength" and "heard" meaning "brave". It is often associated with the phrase "of great strength" or "strong and brave".