Where does “ампер-час” come from?
ампер-час (Russian) comes from Russian час, from Old East Slavic часъ, from Proto-Slavic časъ, from Proto-Balto-Slavic keʔs-, from Proto-Indo-European k(ʷ)eh₁s-.
ампер-час (Russian): ampere-hour
Definitions
- ampere-hour
Ancestry of “ампер-час”, step by step
ампер-час traces back through two separate lines of ancestry.
via Russian час
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | час | hour, o'clock, time, time of day; hours, o'clock;... |
| 2 | Old East Slavic | часъ | time; hour; happiness, luck |
| 3 | Proto-Slavic | časъ | time |
| 4 | Proto-Balto-Slavic | keʔs- | — |
| 5 | Proto-Indo-European | k(ʷ)eh₁s- | — |
via Russian ампе́р
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Russian | ампе́р | ampere |