Where does “Predigerin” come from?

Predigerin (German) comes from German Prediger, from German predigen, from Middle High German predien, from Old High German predigōn, from Latin praedicō, from Latin dīcō, from Latin -tiō, from Latin dissertātiō — small stone, pebble; gravel, rubble.

Ancestry of “Predigerin”, step by step

Step	Language	Word	Meaning
1	German	Prediger	preacher; Ecclesiastes
2	German	predigen	to preach
3	Middle High German	predien	—
4	Old High German	predigōn	—
5	Latin	praedicō	to proclaim, declare publicly
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- →