The French word 'paléontologie' was introduced in 1822.
Notes on verification
Multiple independent sources (Merriam-Webster etymology, scholarly history of French paleontology, biographical sources on Blainville) corroborate that Blainville introduced the term 'paléontologie' in 1822.
Sources
- Paleontology (en.wikipedia.org)
- https://www.merriam-webster.com/dictionary/paleontology (merriam-webster.com)
- https://palaeo-electronica.org/content/2012-issue-1-articles-2/79-palaeontology-in-france (palaeo-electronica.org)
- https://www.conchology.be/?t=9001&id=13029 (conchology.be)