Where does “κράτιστος” come from?

κράτιστος (Ancient Greek) comes from Ancient Greek -ῐστος, from Proto-Indo-European -istHos, from Proto-Indo-European -yōs, from Proto-Indo-European -yoss.

κράτιστος (Ancient Greek): best

Definitions

best

Ancestry of “κράτιστος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	-ῐστος	Added to some adjectives to form a superlative adjective
2	Proto-Indo-European	-istHos	—
3	Proto-Indo-European	-yōs	Forms adjectives from roots, meaning "very" or...
4	Proto-Indo-European	-yoss	—

Every word from Proto-Indo-European -yoss →Every word from Ancient Greek -ῐστος →Every word from Proto-Indo-European -yōs →