| 1 | French | spectaculaire | spectacular |
| 2 | French | spectacle | a show, a spectacle, a performance, a concert; a... |
| 3 | Latin | spectāculum | — |
| 4 | Latin | -culum | nominative neuter singular of -culus; accusative... |
| 5 | Proto-Italic | -klom | — |
| 6 | Proto-Indo-European | -tlom | Alternative form of *-trom |
| 7 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 8 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |