Where does “spiritweed” come from?

spiritweed (English) comes from English spirit, from Middle English spirit, from Irish -óg, from Old Irish -óc, from Proto-Brythonic -ọg, from Proto-Celtic -ākos, from Proto-Indo-European -eh₂ḱos, from Proto-Indo-European -kos — Creates deadjectival and desubstantival...

spiritweed (English): The perennial herb Eryngium foetidum

Definitions

  1. The perennial herb Eryngium foetidum

Ancestry of “spiritweed”, step by step

spiritweed traces back through two separate lines of ancestry.

via English spirit

StepLanguageWordMeaning
1EnglishspiritThe soul of a person or other creature. What...
2Middle Englishspiritlife, vital breath
3Irish-ógused to form diminutives of nouns, or substantive...
4Old Irish-ócDiminutive suffix
5Proto-Brythonic-ọgForms nouns/adjectives from other nouns and...
6Proto-Celtic-ākosForms adjectives from nouns and adjectives with...
7Proto-Indo-European-eh₂ḱos
8Proto-Indo-European-kosCreates deadjectival and desubstantival...

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 -kosEvery word from Irish -ógEvery word from Proto-Celtic -ākos