Quick Definition
I compute, reckon up
Strong's Definition
to compute jointly
Derivation: from G4862 (σύν) and G5585 (ψηφίζω);
KJV Usage: reckon
Thayer's Greek Lexicon
συμψηφίζω: 1 aorist συνεψηφισα; to compute, count up: τάς τιμάς, Act_19:19. (Middle τίνι, to vote with one, Aristophanes Lysias, 142.)
Mounce Concise Greek Dictionary
συμψηφίζω sympsēphizō 1x
to calculate together, compute, reckon up, Act_19:19
Abbott-Smith Greek Lexicon
συμ -ψηφίζω ,
[in LXX : Jer_29:20 ( Jer_49:20 ) A * ;]
to reckon together, count up: Act_19:19 .†
Moulton & Milligan — Vocabulary of the Greek NT
συμψηφίζω [page 599]
For this verb, which is found in the NT only in Act_19:19 = reckon up, cf. a London papyrus of A.D. 114 115 edited by H. I. Bell in Archiv vi. p. 102 .9 ἕτερον τόπον ἐπιτήδειον τοῦ εἰς τὴν ἀνοικοδομὴν συνεψηφίσθαι δραχμὰς τρι [σ ]χιλείας κτλ . For the adj . Preisigke ( Wφrterb. ) recalls PSI V. 452 .23 (iv/A.D.) οὐδ᾽ οὕτω ὁ λογιστὴς σύμψηφος αὐτῶν ταῖς εἰρωνίαις γίνεται .
Liddell-Scott — Intermediate Greek Lexicon
συμψηφίζω fut. σω "to reckon together, count up", NTest.
STEPBible — Tyndale Abridged Greek Lexicon
συμ-ψηφίζω
[in LXX: Jer.29:20 (Jer.49:20) A * ;]
to reckon together, count up: Act.19:19.†
(AS)