θεωροδοκία
From LSJ
οὐκ ἂν λάβοις παρὰ τοῦ μὴ ἔχοντος → you can't take from one who doesn't have, you can't squeeze blood out of a turnip, you can't get blood out of a turnip, you can't get blood from a stone, you can't get blood out of a stone
English (LSJ)
ἡ, office of θεωροδόκος, BCH49.91 (Delph., iii B.C.), SIG608.5,10 (ib., ii B.C.): Dor. θεᾱροδοκία, τῶν Δηλίων CIG2329 (Delos).
Greek Monolingual
θεωροδοκία και θεαροδοκία, ἡ (Α) θεωροδόκος
το υπούργημα του θεωροδόκου.