The elimination communication potty training method is based on the idea that babies naturally signal when they need to go. Once you've figured out your child's cues, you can position them over a potty and make a sound (like a whistle or a hiss). They'll eventually respond by peeing or pooping on demand.

Origin of the word In British English, the word nappy originally came from the 'nap' of cloth. However, in American English the term 'diaper' is used. The word 'diaper' was originally the term for a small pattern of repeated geometric shapes.

The term diaper is used in North America and Canada whereas the word nappy is used in Australia, New Zealand, UK, Ireland and other Commonwealth countries.

Diaper is what they use in North America, and Nappy is the word used in the UK & Ireland, Australia, NZ and many other Commonwealth countries.