Where does “άξαφνος” come from?

άξαφνος (Greek) comes from Greek -ος, from Ancient Greek -ός, from Proto-Hellenic *-os, from Proto-Indo-European -ós — Creates agent nouns from verb stems, denoting...

άξαφνος (Greek): sudden

Definitions

sudden

Ancestry of “άξαφνος”, step by step

Step	Language	Word	Meaning
1	Greek	-ος	An ending found in nouns; An ending found in...
2	Ancient Greek	-ός	Forms agentive or patientive adjectives and nouns from the o-grade of a verbal root
3	Proto-Hellenic	*-os	—
4	Proto-Indo-European	-ós	Creates agent nouns from verb stems, denoting...

Every word from Proto-Indo-European -ós →Every word from Ancient Greek -ός →Every word from Greek -ος →