G4592 σημεῖον (sēmeîon)

KJV renderings: miracle, sign, token, wonder
Strong's definition: an indication, especially ceremonially or supernaturally
Derivation: neuter of a presumed derivative of the base of G4591 (σημαίνω);

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