Where does “rainflow” come from?
rainflow (English) comes from English flow, from Middle English flowen, from Old English flōwan, from Proto-West Germanic *flōan, from Proto-Germanic flōaną, from Proto-Indo-European plōw-, from Proto-Indo-European plew- — to fly, flow, run.
rainflow (English): A flow of rainwater
Definitions
- A flow of rainwater
Ancestry of “rainflow”, step by step
rainflow traces back through two separate lines of ancestry.
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 |