The spelling of the word "Freyne" can be a bit tricky, as it may be pronounced differently depending on the speaker's accent. In IPA phonetic transcription, it is written as /freɪn/. The "ey" sound in the middle is pronounced like the "ay" in "may", while the "n" at the end is pronounced normally. One possible origin of this surname is the Old French word "fraigne", meaning ash tree, which could explain the "ey" sound being used instead of "ai".
The word "Freyne" is derived from the Middle English word "freen", which comes from the Old English word "frēon" meaning "to love, to like". It ultimately traces back to the Proto-Germanic word "*frijōną" with a similar meaning. In Old English, the term "freen" was often used to describe friendship, affection, or love between individuals. Over time, the word evolved into "Freyne" or "Frein" in Middle English before eventually settling into its modern form, "friend".