Where does “dark flow” come from?
dark flow (English) comes from English dark, from Middle English derk, from Old English deorc, from Proto-West Germanic derk, from Proto-Germanic derkaz, from Proto-Indo-European dʰerg-o-s, from Proto-Indo-European dʰerg-, from Proto-Indo-European dʰer- — to support; to hold.
dark flow (English): A possible non-random component of the peculiar velocity of galaxy clusters
Definitions
- A possible non-random component of the peculiar velocity of galaxy clusters
Ancestry of “dark flow”, step by step
dark flow traces back through two separate lines of ancestry.
via English dark
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | dark | Having an absolute or relative lack of light;... |
| 2 | Middle English | derk | dark |
| 3 | Old English | deorc | dark |
| 4 | Proto-West Germanic | derk | dirty; dark |
| 5 | Proto-Germanic | derkaz | — |
| 6 | Proto-Indo-European | dʰerg-o-s | — |
| 7 | Proto-Indo-European | dʰerg- | to dim, darken; dim, dull; dark, dusky |
| 8 | Proto-Indo-European | dʰer- | to support; to hold |
via English flow
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | flow | A movement in people or things with a particular... |
| 2 | Middle English | flowen | To flow, stream, or issue; to move; To become... |
| 3 | Old English | flōwan | to flow |
| 4 | Proto-West Germanic | *flōan | to flow |
| 5 | Proto-Germanic | flōaną | to flow |
| 6 | Proto-Indo-European | plōw- | to flow, swim; to pour, wash |
| 7 | Proto-Indo-European | plew- | to fly, flow, run |