Semantic Diffusion is what this author uses: https://martinfowler.com/bliki/SemanticDiffusion.html https://martinfowler.com/bliki/SemanticDiffusion.html (2006)

Semantic Diffusion is what this author uses: https://martinfowler.com/bliki/SemanticDiffusion.html https://martinfowler.com/bliki/SemanticDiffusion.html (2006) > Semantic diffusion occurs when you have a word that is coined by a person or group, often with a pretty good definition, but then gets spread through the wider community in a way that weakens that definition.