pistös
Pistos (πιστός) is a Greek adjective meaning faithful, trustworthy, or loyal. It describes a person or thing that adheres to obligations, remains loyal to friends or allies, or is reliable. In religious contexts it denotes fidelity to God or to a doctrine. The related noun pistis (πίστις) means faith or belief, and the verb pisteúō (πιστεύω, to believe) shares the same root.
Forms and etymology: Pistos originates from the same root as pistis, with the usual Greek gender forms:
Usage: In Classical Greek, pistós could describe someone loyal to an oath, a reliable witness, or a
See also: pistis (faith), pisteúō (to believe), pístis (faithfulness).
Note: In English-language discussions of Greek, pistós is typically rendered as “faithful” or “trustworthy,” with nuances