自然者
From LSJ
Τοὺς δούλους ἔταξεν ὡρισμένου νομίσματος ὁμιλεῖν ταῖς θεραπαινίσιν → He arranged for his male slaves to have sex with female slaves at a fixed price (Plutarch, Life of Cato the Elder 21.2)
Chinese > Latin
inartificialis, ingenitus, innatus, spontaneus, insitus, genuinus, nativus, verus, naturalis, ingenuus