Diapers / nappy

I wonder where the names came from to describe nappys diapers , does any body know ? I must admit I like the u/k name nappy seems more humilating to me . Look forward to any comments any body has ....

Nappy is a diminutive of napkin (which may be still in use). Diaper originally referred to a kind of cloth. See the Wikipedia article on diaper: https://en.wikipedia.org/wiki/Diaper

Diapers are named after diaper cloth, which is so named because it was cut into geometric shapes to make what we now call diapers; the pattern of shapes that it was cut into - repeating diamonds - was called a 'diaper' pattern.

Nappy is a diminutive of napkin, which is a Middle English loanword diminutive of French 'nappe' ('tablecloth').