Naturforscher
From LSJ
σιγᾶν ἄμεινον ἢ λαλεῖν ἃ μὴ πρέπει → it's better to keep silence than to say what's not appropriate (Menander)
German > Latin
Naturforscher, physicus (φυσικός). – od. rein lat. speculator venatorque naturae. – od. inquisītor rerum naturae. – Naturforschung, *investigatio rerum naturae. – sich mit N. beschäftigen, studium collocare in rebus naturalibus scrutaudis explicandisque od. in animalium satorumque naturis omnibus perquirendis.