G1484 ἔθνος (éthnos)

KJV renderings: Gentile, heathen, nation, people
Strong's definition: a race (as of the same habit), i.e. a tribe; specially, a foreign (non-Jewish) one (usually, by implication, pagan)
Derivation: probably from G1486 (ἔθω);

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