Where does “Vermittlungsgutschein” come from?

Vermittlungsgutschein (German) comes from German Gutschein, from German Gut, from Middle High German guot, from Old High German guot, from Proto-West Germanic gōd, from Proto-Germanic gudą, from Proto-Germanic gastiz, from Proto-Indo-European gʰóstis — Derives abstract/action nouns from verb roots.

Ancestry of “Vermittlungsgutschein”, step by step

Vermittlungsgutschein traces back through two separate lines of ancestry.

via German Gutschein

StepLanguageWordMeaning
1GermanGutscheinsomething that attests (monetary) value, particularly a voucher, gift certificate, coupon or rain check
2GermanGutcommodity, property, possession, good; a large...
3Middle High Germanguotgood
4Old High Germanguotgood
5Proto-West Germanicgōdgood
6Proto-Germanicgudąinvoked one; god, deity
7Proto-Germanicgastizstranger, guest
8Proto-Indo-Europeangʰóstisstranger, host
9Proto-Indo-European-tisDerives abstract/action nouns from verb roots

via German Vermittlung

StepLanguageWordMeaning
1GermanVermittlungintermediation; agency; switching
2German-ung-ing; "forms nouns from verbs, usually describing...
3Middle High German-ung
4Old High German-unga-ing
5Proto-Germanic-ungō-ing, -ion. "Forms gerund nouns from verbs."
Every word from Proto-Indo-European -tis
Vermittlungsgutschein — Etymology, Origin & Word History | Etymology Explorer