Where does “poisonvetch” come from?

poisonvetch (English) comes from English poison, from Middle English poysoun, from Old French poison, from Latin pōtiō, from Latin -tiō, from Latin dissertātiō, from Latin dissertus, from Latin disserere — small stone, pebble; gravel, rubble.

poisonvetch (English): Any of various poisonous plants of the genus Astragalus

Definitions

  1. Any of various poisonous plants of the genus Astragalus

Ancestry of “poisonvetch”, step by step

poisonvetch traces back through two separate lines of ancestry.

via English poison

StepLanguageWordMeaning
1EnglishpoisonA substance that is harmful or lethal to a living...
2Middle EnglishpoysounA poison; a poisonous substance especially as a drink
3Old Frenchpoisonpoison; potion
4Latinpōtiōdrinking
5Latin-tiōtion, -ation, -ing
6Latindissertātiō(spoken) dissertation, discourse, disquisition
7Latindissertusarranged, disposed; explained
8Latindissereresecond-person singular future passive indicative...
9Latindis-asunder, apart, in two; reversal, removal;...
10Latincalceusshoe
11Latincalxlimestone; chalk; the finish line
12Ancient Greekχάλιξsmall stone, pebble; gravel, rubble

via English vetch

StepLanguageWordMeaning
1Englishvetchany of several leguminous plants, of the genus...
2Middle Englishvecche
3Old Northern Frenchveche
Every word from Ancient Greek χάλιξEvery word from Latin -tiōEvery word from Latin dis-