Where does “diabolicus” come from?

diabolicus (Late Latin) comes from Ancient Greek διαβολικός, from Ancient Greek Διάβολος, from Ancient Greek διαβάλλω, from Ancient Greek δῐᾰ-, from Ancient Greek διά, from Proto-Indo-European dwís, from Proto-Indo-European dwóh₁ — two.

diabolicus (Late Latin): diabolic; relating to the Devil

Definitions

diabolic; relating to the Devil

Ancestry of “diabolicus”, step by step

diabolicus traces back through two separate lines of ancestry.

via Ancient Greek διαβολικός

Step	Language	Word	Meaning
1	Ancient Greek	διαβολικός	devilish
2	Ancient Greek	Διάβολος	slanderous; libellous
3	Ancient Greek	διαβάλλω	throw over or across; set at variance, make a...
4	Ancient Greek	δῐᾰ-	apart; through, across; through; in different...
5	Ancient Greek	διά	throughout
6	Proto-Indo-European	dwís	twice, doubly; in two
7	Proto-Indo-European	dwóh₁	two

via Koine Greek διαβολικός

Step	Language	Word	Meaning
1	Koine Greek	διαβολικός	devilish

Words derived from “diabolicus”

Every word from Proto-Indo-European dwóh₁ →Every word from Ancient Greek δῐᾰ- →Every word from Proto-Indo-European dwís →