storge

The story

1. Proto-Indo-European · derived from*sterg-“to cover; to protect”
2. Ancient Greek · learned borrowing fromστοργή“affection, love (especially of parents and children)”
3. English todaystorge

Learned borrowing from Ancient Greek στοργή (storgḗ, “affection, love (especially of parents and children)”), from στέργω (stérgō, “to love (chiefly of non-sexual affection); to show affection”) (from Proto-Indo-European *sterg- (“to cover; to protect”)) + -η (-ē, suffix forming action nouns).

Words from the same roots