Abbott-Smith Manual Greek Lexicon
ψηφίζω (G5585)
2 ψηφίζω ( ψῆφος ), [in LXX: III Ki 3:8 8:5 A ( ספר ni..) * ;] to count (prop., with pebbles), reckon, calculate : τ. δαπάνην , Lk 14:28 ; τ. ἀριθμόν (i.e. calculate the number's meaning), Re 13:18 (in cl. chiefly mid., to vote by casting a pebble; cf. συγ-κατα- , συμ-φηφίζω ).†
G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain