Where does “síneastonn” come from?
síneastonn (Irish) comes from Irish tonn, from Old Irish tonn, from Proto-Celtic tondā, from Proto-Indo-European tend-, from Proto-Indo-European temh₂- — to stretch, string; to cut.
síneastonn (Irish): sine wave
Definitions
- sine wave
Ancestry of “síneastonn”, step by step
síneastonn traces back through two separate lines of ancestry.
via Irish tonn
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Irish | tonn | wave |
| 2 | Old Irish | tonn | wave; outpouring; sea |
| 3 | Proto-Celtic | tondā | skin; surface, skin |
| 4 | Proto-Indo-European | tend- | to stretch, to extend; to split, cut off |
| 5 | Proto-Indo-European | temh₂- | to stretch, string; to cut |
via Irish síneas
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Irish | síneas | sine |