Where does “топливно-энергетический” come from?
топливно-энергетический (Russian) comes from Russian то́пливный, from Russian -ный, from Old Church Slavonic -ьнъ, from Proto-Slavic -ьnъ — -ish, -ic, -al, -ed; From adjectives.
топливно-энергетический (Russian): fuel and energy
Ancestry of “топливно-энергетический”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | Russian | то́пливный | — |
| 2 | Russian | -ный | -ish, -ic, -al, -ed |
| 3 | Old Church Slavonic | -ьнъ | — |
| 4 | Proto-Slavic | -ьnъ | -ish, -ic, -al, -ed; From adjectives |