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pious

/ˈpaɪəs/ adjective

In Latin: pius Wiktionary

Origin

Borrowed from Latin pīus (“pious, dutiful, blessed, kind, devout”), from Proto-Indo-European *pewH- (“pure”). Cognate with Old English fǣle (“faithful, trusty, good; dear, beloved”). More at feal.

From Wiktionary, via Kaikki.org (CC BY-SA)