The story
For the ideology, from Scandinav(ism) + -ist; in the meaning scholar of Scandinavian studies, Scandinav(ia) + -ist with analogy with earlier Romanist, Germanist, Anglist; likely reinforced by German Skandinavist.
First known use, by meaning
- from 20th c. Pertaining to Scandinavism.
Etymology from Wiktionary, CC BY-SA 4.0.