Where does “ⲓⲟⲩⲥⲧⲓⲛⲓⲁⲛⲟⲥ” come from?

ⲓⲟⲩⲥⲧⲓⲛⲓⲁⲛⲟⲥ (Coptic) comes from Koine Greek Ἰουστῑνῐᾱνός, from Latin Iustinianus, from Latin Iustīnus, from Latin iūstus, from Latin iūs, from Latin dīcō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

Ancestry of “ⲓⲟⲩⲥⲧⲓⲛⲓⲁⲛⲟⲥ”, step by step

Step	Language	Word	Meaning
1	Koine Greek	Ἰουστῑνῐᾱνός	—
2	Latin	Iustinianus	Justinian
3	Latin	Iustīnus	Justin
4	Latin	iūstus	just, righteous
5	Latin	iūs	law, right
6	Latin	dīcō	to say, talk, speak, utter, mention
7	Latin	-tiō	tion, -ation, -ing
8	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
9	Latin	dissertus	arranged, disposed; explained
10	Latin	disserere	second-person singular future passive indicative...
11	Latin	dis-	asunder, apart, in two; reversal, removal;...
12	Latin	calceus	shoe
13	Latin	calx	limestone; chalk; the finish line
14	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Every word from Ancient Greek χάλιξ →Every word from Latin -tiō →Every word from Latin dis- →