Where does “מילכדיק” come from?

מילכדיק (Yiddish) comes from Yiddish דיק, from Middle High German dicke, from Old High German dicchī, from Old High German -ī, from Proto-West Germanic -ī, from Proto-Germanic -į̄, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “מילכדיק”, step by step

מילכדיק traces back through two separate lines of ancestry.

via Yiddish דיק

StepLanguageWordMeaning
1Yiddishדיקthick
2Middle High Germandickethickly; often
3Old High Germandicchīthick
4Old High German-ī-ness
5Proto-West Germanic-ī-ness, -th
6Proto-Germanic-į̄-th
7Proto-Indo-European-íh₂—
8Proto-Indo-European-h₂Creates collective nouns, which refer to groups...

via Yiddish מילך

StepLanguageWordMeaning
1Yiddishמילךmilk
2Middle High Germanmilch—
3Old High Germanmiluh—
4Proto-West Germanicmelukmilk
5Proto-Germanicmeluksmilk
6Proto-Indo-Europeanh₂melǵ-to milk; milk
Every word from Proto-Indo-European -h₂ →Every word from Old High German -ī →Every word from Proto-Germanic -į̄ →