Where does “drug-dealer” come from?

drug-dealer (English) comes from English drug, from Middle English drogge, from Middle French drogue, from Old French drogue, from Old French drocgue, from Middle Dutch drôge, from Old Dutch drōgi, from Proto-West Germanic *draugī — to support; to hold.

Ancestry of “drug-dealer”, step by step

drug-dealer traces back through two separate lines of ancestry.

via English drug

StepLanguageWordMeaning
1EnglishdrugA substance used to treat an illness, relieve a...
2Middle Englishdroggemedicine
3Middle Frenchdroguedrug
4Old Frenchdrogue
5Old Frenchdrocgue
6Middle Dutchdrôgedry
7Old Dutchdrōgidry
8Proto-West Germanic*draugīdry
9Proto-Germanicdraugizhard, solid; dry
10Proto-Indo-Europeandʰerǵʰ-to strengthen; to strengthen; become hard; to...
11Proto-Indo-Europeandʰer-to support; to hold

via English dealer

StepLanguageWordMeaning
1EnglishdealerOne who deals in goods, especially automobiles; a...
2Middle EnglishdelareA distributor or splitter; one who parts or gives...
3Old Englishdǣlere
Every word from Proto-Indo-European dʰer-Every word from Proto-Indo-European dʰerǵʰ-Every word from Proto-Germanic draugiz