Where does “ἀσθενέω” come from?

ἀσθενέω (Ancient Greek) comes from Ancient Greek ἀσθενής, from Ancient Greek σθένος, from English micro-, from Ancient Greek μικρο-, from Ancient Greek μικρός, from Proto-Indo-European mēy- — soft, tender, dear.

ἀσθενέω (Ancient Greek): to be weak, feeble, sickly; to be needy; to be...

Definitions

to be weak, feeble, sickly; to be needy; to be...

Ancestry of “ἀσθενέω”, step by step

Step	Language	Word	Meaning
1	Ancient Greek	ἀσθενής	without strength, weak; feeble, sickly; sick, ill
2	Ancient Greek	σθένος	strength, might, power
3	English	micro-	API; Very small; One millionth
4	Ancient Greek	μικρο-	micro
5	Ancient Greek	μικρός	little, small
6	Proto-Indo-European	mēy-	soft, tender, dear

Every word from Proto-Indo-European mēy- →Every word from Ancient Greek μικρός →Every word from English micro- →