Where does “flatline” come from?
flatline (English) comes from English flat, from Scots flet, from Middle English flet, from Old English flet, from Proto-Germanic flatją, from Proto-Germanic flataz, from Proto-Indo-European plÁt-.
flatline (English): An unchanging state, as indicated in a graph of a...
Definitions
- An unchanging state, as indicated in a graph of a...
Ancestry of “flatline”, step by step
flatline traces back through two separate lines of ancestry.
via English flat
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | flat | Having no variations in height; Without... |
| 2 | Scots | flet | inner part of a house |
| 3 | Middle English | flet | the floor, ground; a dwelling, habitation, house,... |
| 4 | Old English | flet | the floor, ground; a dwelling, habitation, house,... |
| 5 | Proto-Germanic | flatją | a level surface; level ground; the floor of a... |
| 6 | Proto-Germanic | flataz | flat |
| 7 | Proto-Indo-European | plÁt- | — |
via English line
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | line | A path through two or more points (compare ‘segment’); a continuous mark, including as made by a pen; any path, curved or straight |
| 2 | Middle English | line | rope, cord; line, rule, ruler, measure; rule,... |
| 3 | Old English | līne | line, rope, cord; line, cable, rope, hawser,... |
| 4 | Proto-West Germanic | *līnā | line, chord, rope, string |
| 5 | Proto-Germanic | līnǭ | that which is made of flax; line, chord, rope,... |
| 6 | Proto-Germanic | līną | flax |
| 7 | Proto-Indo-European | līno- | flax |