Where does “ξενέρωτος” come from?

ξενέρωτος (Greek) comes from Greek νερό, from Byzantine Greek νερόν, from Ancient Greek νηρός, from Ancient Greek νεαρός, from Proto-Indo-European newr̥ós, from Proto-Indo-European néwos, from Proto-Indo-European new- — new; to nod, assent to.

ξενέρωτος (Greek): sober; boring, dull, unfun, uncool

Definitions

sober; boring, dull, unfun, uncool

Ancestry of “ξενέρωτος”, step by step

Step	Language	Word	Meaning
1	Greek	νερό	water; glass / bottle of water; water bill
2	Byzantine Greek	νερόν	—
3	Ancient Greek	νηρός	wet, damp
4	Ancient Greek	νεαρός	young, youthful
5	Proto-Indo-European	newr̥ós	—
6	Proto-Indo-European	néwos	new
7	Proto-Indo-European	new-	new; to nod, assent to

Every word from Proto-Indo-European new- →Every word from Proto-Indo-European néwos →Every word from Proto-Indo-European newr̥ós →