G5586 ψῆφος (psēphos)

KJV renderings: stone, voice
Strong's definition: a pebble (as worn smooth by handling), i.e. (by implication, of use as a counter or ballot) a verdict (of acquittal) or ticket (of admission); a vote
Derivation: from the same as G5584 (ψηλαφάω);

From James Strong's public-domain dictionaries (G), JSON edition by OpenScriptures (CC-BY-SA). Every dotted-underline word in the text links here.