Where does “trahtāri” come from?

trahtāri (Old High German) comes from Proto-West Germanic *trahtārī, from Latin tractārius, from Latin traiectorium, from Latin trāiciō, from Latin trāditiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.

Ancestry of “trahtāri”, step by step

Step	Language	Word	Meaning
1	Proto-West Germanic	*trahtārī	funnel
2	Latin	tractārius	—
3	Latin	traiectorium	funnel
4	Latin	trāiciō	to throw, cast or hurl across or over
5	Latin	trāditiō	a surrender, delivering up
6	Latin	-tiō	tion, -ation, -ing
7	Latin	dissertātiō	(spoken) dissertation, discourse, disquisition
8	Latin	dissertus	arranged, disposed; explained
9	Latin	disserere	second-person singular future passive indicative...
10	Latin	dis-	asunder, apart, in two; reversal, removal;...
11	Latin	calceus	shoe
12	Latin	calx	limestone; chalk; the finish line
13	Ancient Greek	χάλιξ	small stone, pebble; gravel, rubble

Words derived from “trahtāri”

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