Where does “Schwachkopf” come from?

Schwachkopf (German) comes from German kopf, from Middle High German kopf, from Latin cūppa, from Latin cūpa, from Ancient Greek κώπη, from Proto-Indo-European kóh₂p-eh₂, from Proto-Indo-European keh₂p- — to seize, grab; to seize; take up; lift; to take,...

Schwachkopf (German): idiot, jerk

Definitions

idiot, jerk

Ancestry of “Schwachkopf”, step by step

Schwachkopf traces back through two separate lines of ancestry.

via German kopf

Step	Language	Word	Meaning
1	German	kopf	head
2	Middle High German	kopf	drinking vessel
3	Latin	cūppa	drinking vessel
4	Latin	cūpa	tub, cask, tun, vat
5	Ancient Greek	κώπη	a handle
6	Proto-Indo-European	kóh₂p-eh₂	—
7	Proto-Indo-European	keh₂p-	to seize, grab; to seize; take up; lift; to take,...

via German schwach

Step	Language	Word	Meaning
1	German	schwach	weak
2	Middle High German	swach	—
3	Old High German	swah	—
4	Proto-West Germanic	swak	swinging; swaying; yielding easily; pliable; weak
5	Proto-Indo-European	swe(n)g-	—

Words derived from “Schwachkopf”

schwachköpfig

Every word from Proto-Indo-European keh₂p- →Every word from Proto-Indo-European kóh₂p-eh₂ →Every word from Ancient Greek κώπη →