G5585
ψηφίζω
to calculate
ψηφίζω (ψῆφος), [in LXX: 3Ki.3:8 8:5 A (סָפַר ni..) * ;] to count (prop., with pebbles), reckon, calculate: τ. δαπάνην, Luk.14:28; τ. ἀριθμόν (i.e. calculate the number's meaning), Rev.13:18 (in cl. chiefly mid., to vote by casting a pebble; cf. συγ-κατα-, συμ-φηφίζω).† (AS)
The KJV translates G5585 in the following manner:
count (2x), counteth (2x)
Full Thayer's lexicon entry
ψηφίζω — psēphízō
ψηφίζω; 1 aorist ἐψηφισα; (ψῆφος, which see); to count with pebbles, to compute, calculate, reckon: τήν δαπάνην, Luk 14:28; τόν ἀριθμόν, to explain by computing, Rev 13:18. (Polybius, Plutarch, Palaeph., Anthol.; commonly and indeed chiefly in the middle in the Greek writings to give one's vote by casting a pebble into the urn; to decide by voting.) (Compare: συγψηφίζω, καταψηφίζω, συμψηφίζω.)
2 occurrences
Luke (1), Revelation of John (1)