Where does “drittrangig” come from?

drittrangig (German) comes from German rang, from French rang, from Old French reng, from Latin rencus, from Gaulish rekos, from Proto-Celtic reketi, from Proto-Indo-European (H)rek- — to set in order.

drittrangig (German): tertiary

Definitions

tertiary

Ancestry of “drittrangig”, step by step

drittrangig traces back through two separate lines of ancestry.

via German rang

Step	Language	Word	Meaning
1	German	rang	first/third-person singular preterite of ringen
2	French	rang	A row or line of things placed side-by-side; A...
3	Old French	reng	place; position
4	Latin	rencus	row; order, rank
5	Gaulish	rekos	—
6	Proto-Celtic	reketi	to arrange
7	Proto-Indo-European	(H)rek-	to set in order

via German dritte

Step	Language	Word	Meaning
1	German	dritte	third
2	Old High German	dritto	third
3	Proto-West Germanic	*þriddjō	third
4	Proto-Germanic	þridjô	third
5	Proto-Indo-European	tretyós	—
6	Proto-Indo-European	tr̥tyós	third
7	Proto-Indo-European	tréyes	three

Every word from Proto-Indo-European (H)rek- →Every word from Proto-Celtic reketi →Every word from Gaulish rekos →