Where does “gurken” come from?

gurken (Dutch) comes from German -en, from Middle High German -en, from Old High German -īn, from Proto-Germanic -īnaz, from Proto-Indo-European -iHnos, from Proto-Indo-European -no- — adjectival suffix.

Ancestry of “gurken”, step by step

StepLanguageWordMeaning
1German-enA suffix of verbs in their infinitive form; A...
2Middle High German-en—
3Old High German-īn—
4Proto-Germanic-īnaz-en
5Proto-Indo-European-iHnosCreates adjectives of materials
6Proto-Indo-European-no-adjectival suffix
Every word from Proto-Indo-European -no- →Every word from German -en →Every word from Proto-Germanic -īnaz →