εἰσί
From LSJ
ἐν δὲ δικαιοσύνῃ συλλήβδην πᾶσ' ἀρετὴ ἔνι → in justice is all virtue found in sum, in justice is every virtue there is, in justice every virtue is brought together, justice contains in itself all the virtues
English (LSJ)
3pl. of εἰμί (sum). εἶσι, 3sg. of εἶμι (ibo). εἰσῐδεῖν, Ep. εἰσιδέειν, aor. inf. of εἰσεῖδον; v. εἰσοράω.
French (Bailly abrégé)
3ᵉ pl. prés. de εἰμί.
Russian (Dvoretsky)
εἰσί: 3 л. pl. praes. к εἰμί.
Greek (Liddell-Scott)
εἰσί: εἰσίν, γ΄ πληθ. τοῦ εἰμὶ (ὑπάρχω).
English (Strong)
3rd person plural present indicative of εἰμί; they are: agree, are, be, dure, X is, were.