Where does “AT” come from?
AT (Translingual) comes from English astatine, from Ancient Greek ἄστατος, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥-, from Proto-Indo-European sem- — together, one.
AT (Translingual): Abbreviation of astronomical transient.; prefix...
Definitions
- Abbreviation of astronomical transient.; prefix...
Ancestry of “AT”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | astatine | A highly radioactive chemical element (symbol At), one of the halogens, with atomic number 85 |
| 2 | Ancient Greek | ἄστατος | unstable; unsteady, volatile |
| 3 | Ancient Greek | ἀ- | The alpha privativum, used to make words that... |
| 4 | Proto-Hellenic | hə- | same; together |
| 5 | Proto-Indo-European | sm̥- | one; with, together |
| 6 | Proto-Indo-European | sem- | together, one |