Etymology

From Latin physica ‎(“natural science”), from Ancient Greek φυσική επιστήμη ‎(phusikḗ epistḗmē) (knowledge of nature) from φυσικός ‎(phusikós) (pertaining to nature) from φύσις ‎(phúsis) (nature) from φύειν ‎(phúein) (to bring forth, to produce) from Proto-Indo-European *bʰew- ‎(“to exist, grow”).