trace: P. and V. ἴχνος, τό.
sign, token: P. and V. σύμβολον, τό, τεκμήριον, τό, σημεῖον, τό, V. τέκμαρ, τό.
with face whose colour gives no clue to what has passed: V. χρόᾳ ἀδήλῳ τῶν δεδραμένων πέρι (Eur., Orestes 1318).
hint: V. φραδαί, αἱ.