Where does “Landwirtschaftswissenschaft” come from?

Landwirtschaftswissenschaft (German) comes from German Wissenschaft, from German Wissen, from German wissen, from German Besserwisser, from German besser, from Middle High German beȥȥer, from Old High German beȥȥiro, from Proto-West Germanic *batiʀō — to join; to unite; to suit.

Ancestry of “Landwirtschaftswissenschaft”, step by step

Landwirtschaftswissenschaft traces back through two separate lines of ancestry.

via German Wissenschaft

StepLanguageWordMeaning
1GermanWissenschaftscience; academia, scholarship; academia,...
2GermanWissenknowledge
3Germanwissento know; to be aware of; to remember
4GermanBesserwisserknow-it-all, wiseguy, wiseacre, smart aleck
5Germanbessercomparative degree of gut; better; inflection of...
6Middle High Germanbeȥȥer
7Old High Germanbeȥȥirobetter
8Proto-West Germanic*batiʀōbetter
9Proto-Germanicbatizôcomparative degree of *gōdaz; comparative degree...
10Proto-Germanicgōdazgood
11Proto-Germanicgadaną
12Proto-Indo-Europeangʰedʰ-to join; to unite; to suit

via German Landwirtschaft

StepLanguageWordMeaning
1GermanLandwirtschaftagriculture
2GermanWirtschafteconomy; inn, pub; economics
3German-schaft-ship, -hood
4Old High German-skaftship
5Proto-West Germanic-skapiForms nouns denoting state, originally meaning...
6Proto-Germanic-skapizForms nouns denoting state, originally meaning...
7Proto-Germanicskapjanąto make, to create; to shape
8Proto-Indo-Europeanskab-to cut, split, hew, shape; to cut, split, carve,...
Every word from Proto-Indo-European gʰedʰ-