Dictionary entry

ἴχνος

G. Abbott-Smith's A Manual Greek Lexicon of the New Testament

ἴχνος, -εος (-ους), τό,

[in LXX for כַּף, etc.;]

a track, footstep: metaph. (as freq. in cl.), στοιχεῖν τοῖς ἴ., Ro 4:12; περιπατεῖν τοῖς ἴ., II Co 12:18; ἐπακολουθεῖν τοῖς ἴ., I Pe 2:21 (cf. MM, Exp., xv).†