G3979 πεζῇ (pezēi)

KJV renderings: a- (on) foot
Strong's definition: foot-wise, i.e. by walking
Derivation: dative case feminine of a derivative of G4228 (πούς) (as adverb);

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