Where does “indigeste” come from?

indigeste (French) comes from Latin indigestus, from Latin dīgestus, from Latin dīgerō, from Latin dī-, from Ancient Greek δί-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

indigeste (French): indigestible; heavy on the stomach, stodgy