The story
- Proto-Indo-European*(s)peys-der.?
- Latinspīrō
- Latinspīritu
- Old Frenchespirit
- Middle Englishspirit
- Englishspirit
- Proto-West Germanic*weud
- Old Englishwēod
- Middle Englishweed
- Englishweed
- English todayspiritweed
Etymology from Wiktionary, CC BY-SA 4.0.