Lexical Definition

‎ἴχνος‎ íchnos (ikh'-nos) track ^G:N-N
from (to arrive

step.

• compare ‎ἥκω‎)
• a track (figuratively)

Abbott-Smith

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).†

Abbott-Smith References

Liddell-Scott-Jones

ἴχνος, εος, τό,

track, footstep, [Refs 8th c.BC+]; of the spoor of game, [Refs 5th c.BC+]: metaphorically, track, trace, κατ᾽ ἴχνος πλατᾶν ἄφαντον [Refs 4th c.BC+]; ἐς ταὐτὸν ἐλθὼν.. λόγων ἴ. [Refs 5th c.BC+]: with negative, not a trace, μαζῶν οὐδὲ ἴχνη [Refs 2nd c.AD+]; ἴ. ποδὸς θεῖναι, Latin vestigia ponere, [Refs 5th c.BC+]; λεπτὸν ἴ. ἀρβύλης τίθετε step softly, [Refs 5th c.BC+]; ἐν ἴχνεσί τινος πόδα νέμειν (metaphorically) [NT+5th c.BC+]; κατ᾽ ἴχνος ᾄσσειν, κατ᾽ ἴχνη διώκειν, [ἴχνος τινὸς ἰέναι 5th-6th c.BC: Plato Philosophus “Epistulae” 330e ">Refs 5th c.BC+]; ἴ. μετιέναι, μετελθεῖν, [Refs]; ἴχνους προσάπτεσθαι hit upon a trail, [Refs 5th c.BC+]

__2 poetry, foot, [Refs 5th c.BC+]
__3 hard sole of the foot, [LXX+2nd c.AD+]; sole of a shoe, [Refs 5th c.BC+]; sandal, [Refs 3rd c.AD+]
__4 τὰ ἴ. τῶν χειρῶν the palms of the hands, [LXX]
__5 ἴ. ἀνθρώπινον, as a measure of length, [Refs 2nd c.AD+]
__6 track, route in the desert, [Refs 2nd c.AD+]
__7 plural, representations of footprints as votive offerings indicating the presence of a God, ἀνέθηκαν.. κατὰ τὴν τοῦ θεοῦ ἐνέργιαν ἴχνη αὐτοῦ χρύσεα τέσσερα [Refs]

_{LSJ Scripture Refs: Rom.4.12 ☩ LXX.Deut.11.24 ☩ LXX.1Kgs.5.4*}