Usage: 3 forms in 4 verses
Form Translated As     In Verse(s)
εισφοράσ contribution LXX.Exod.30.16
εισφοράν contribution LXX.Exod.30.14LXX.Exod.30.15
εισφορά contribution LXX.Exod.30.13

Liddell-Scott-Jones

εἰσφορά (eisphora) a contribution G:N-F

εἰσφορά-φορά, ,

(εἰσφοράφέρω) carrying or gathering in, [Refs 5th c.BC+]

__II at Athens, etc., property-tax levied for purposes of war, εἰσφοράφορὰς εἰσφοράφέρειν [Refs 5th c.BC+]
__II.b in Egypt, special tax, [Refs]
__II.2 generally, contribution, χρημάτων [Refs 5th c.BC+]
__III introduction, proposal, νόμων [Refs 1st c.BC+]