What is greek for young one?

The most common Greek word for "young one" is νεαρό (nearó). This word is used for both male and female children, and it literally translates to "young" or "youthful."

Here are some other options depending on context and specific meaning:

* παιδί (paidi) - This is the general word for "child", and can be used for young ones of any age.

* μικρό (mikro) - This means "small" and can be used to refer to a young one.

* βρέφος (vrephos) - This is specifically for a baby or infant.

* νεογέννητο (neogennito) - This is for a newborn.

The best word to use will depend on the specific situation and the age of the "young one" you're referring to.