Definition & Meaning of "nesh"in English

What does "nesh" mean in British dialectal slang?

It is used in British English, particularly in the Midlands (especially Leicestershire, Derbyshire, and Nottinghamshire) and Northern England, to mean sensitive to cold or unusually susceptible to low temperatures. People typically say "Don't be so nesh, it's not that cold" or "She's too nesh to go out in winter." The term originated in Old English and survived in regional dialects, remaining a strong marker of East Midlands and Northern English speech.