Where does “bishopsweed” come from?

bishopsweed (English) comes from English Bishop, from Middle English bischop, from Old English bisċop, from Latin episcopus, from Ancient Greek ἐπίσκοπος, from Ancient Greek ἐπισκοπέω, from Ancient Greek ἐπι-, from Ancient Greek ἐπί — to be hot; to burn.

Ancestry of “bishopsweed”, step by step

bishopsweed traces back through two separate lines of ancestry.

via English Bishop

StepLanguageWordMeaning
1EnglishBishopAlternative letter-case form of bishop,...
2Middle Englishbischopbishop; A clergy member ranking a bishop or...
3Old Englishbisċopbishop
4Latinepiscopusan overseer, supervisor, bishop in a Christian...
5Ancient Greekἐπίσκοποςwatcher, guardian; scout, watch; overseer,...
6Ancient GreekἐπισκοπέωI watch over
7Ancient Greekἐπι-on, upon, on top of, all over, covering; on,...
8Ancient Greekἐπίas well, besides; For usage in composition, see...
9Ancient GreekἩμέρα
10Ancient Greekἦμαρday; by day; midday
11Proto-Hellenicā́mərday
12Proto-Indo-Europeanh₂eh₃mr̥heat
13Proto-Indo-Europeanh₂eh₃-to be hot; to burn

via English weed

StepLanguageWordMeaning
1EnglishweedAny plant regarded as unwanted at the place...
2Middle Englishweed
3Old Englishwēodweed
4Proto-West Germanic*weudweed (unwanted plant)
Every word from Proto-Indo-European h₂eh₃-