| 1 | English | modulation | The process of applying a signal to a carrier;... |
| 2 | Middle French | modulation | — |
| 3 | Latin | modulatio | a regular measure, rhythmical measure,... |
| 4 | Latin | modulatus | measured |
| 5 | Latin | modulor | I measure; I regulate; I beat time |
| 6 | Latin | modulus | a small measure or interval; a module; a water... |
| 7 | Latin | -ulus | Used to form a diminutive of a noun, indicating... |
| 8 | Proto-Italic | -olos | — |
| 9 | Proto-Italic | -elos | — |
| 10 | Proto-Indo-European | -e-lós | — |
| 11 | Proto-Indo-European | -lós | Forms agent nouns from verbal roots |