Where does “mega-annum” come from?
mega-annum (English) comes from English mega, from Ancient Greek μέγας, from Proto-Indo-European meǵh₂s — great.
mega-annum (English): a period of 1 million years
Definitions
- a period of 1 million years
Ancestry of “mega-annum”, step by step
mega-annum traces back through two separate lines of ancestry.
via English mega
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | mega | Very large; great; excellent |
| 2 | Ancient Greek | μέγας | big, large; great, mighty, loud; marvelous,... |
| 3 | Proto-Indo-European | meǵh₂s | great |
via Latin annum
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | Latin | annum | accusative singular of annus; year |