Where does “dopeman” come from?

dopeman (English) comes from English MAN, from English manual, from Middle English manuel, from Anglo-Norman manuel, from Old French manual, from Latin manuālis, from Latin manus, from Proto-Italic manus — human being; man; hand.

Ancestry of “dopeman”, step by step

dopeman traces back through two separate lines of ancestry.

via English MAN

StepLanguageWordMeaning
1EnglishMANInitialism of Metropolitan Area Network
2EnglishmanualA handbook; A booklet that instructs on the usage...
3Middle Englishmanuel
4Anglo-Normanmanuelmanual; done with the hands; handle; manual;...
5Old Frenchmanual
6Latinmanuālishand
7Latinmanushand; bravery, valor; violence, fighting
8Proto-Italicmanushand
9Proto-Indo-Europeanman-human being; man; hand

via English dope

StepLanguageWordMeaning
1EnglishdopeAny viscous liquid or paste, such as a lubricant,...
2Dutchdoopbaptism; christening; hazing
3Dutchdopento dip, to immerse; to baptize, to christen; to...
4Middle Dutchdôpen
5Old Dutchdōpento dip, to immerse
6Frankishdaupijanto dip, to immerse
7Proto-Germanicdaupijanąto dip in a liquid, to immerse
8Proto-Indo-Europeandʰewb-deep, hollow; depths, hollow, deep, bottom
Every word from Proto-Indo-European man-Every word from Proto-Italic manusEvery word from Latin manus