φιλορρώμαιος

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

Source

Greek Monolingual

-αία, -ον, και φιλορ- (ρ)ωμαῖος, -αία, -ον, Α
αυτός που αγαπά τους Ρωμαίους.
[ΕΤΥΜΟΛ. < φιλ(ο)- + Ῥωμαῖος].