Where does “κέρδιστος” come from?

κέρδιστος (Ancient Greek) comes from Ancient Greek κέρδιον, from Ancient Greek κερδίων, from Ancient Greek κέρδος, from Proto-Indo-European ḱerd- — heart.

Ancestry of “κέρδιστος”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	κέρδιον	—
2	Ancient Greek	κερδίων	more profitable, more advantageous
3	Ancient Greek	κέρδος	gain, profit
4	Proto-Indo-European	ḱerd-	heart

Words derived from “κέρδιστος”

Cerdistus

Every word from Proto-Indo-European ḱerd- →Every word from Ancient Greek κέρδος →Every word from Ancient Greek κερδίων →