Retrophonetic
Retrophonetic is a term used to describe a word or phrase that sounds like an older or archaic version of itself, even though it is not historically accurate. It often arises from a mishearing or misinterpretation of pronunciation over time. The effect can be a sense of nostalgia or a perception of linguistic evolution that is not based on actual historical changes.
For example, a modern speaker might pronounce a word in a way that evokes an older sound,
The concept is somewhat subjective, as what sounds "retrophonetic" to one person might not sound that way