Where does “SpO2/FiO2 ratio” come from?
SpO2/FiO2 ratio (English) comes from English FiO2, from English fraction, from Middle English fraccioun, from Occitan fraccion, from Latin fractio, from Latin -tiō, from Latin dissertātiō, from Latin dissertus — small stone, pebble; gravel, rubble.
SpO2/FiO2 ratio (English): A proxy measurement for the assessment of lung function using the PaO2/FiO2 ratio
Definitions
- A proxy measurement for the assessment of lung function using the PaO2/FiO2 ratio
Ancestry of “SpO2/FiO2 ratio”, step by step
SpO2/FiO2 ratio traces back through two separate lines of ancestry.
via English FiO2
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | FiO2 | — |
| 2 | English | fraction | A part of a whole, especially a comparatively... |
| 3 | Middle English | fraccioun | a breaking |
| 4 | Occitan | fraccion | a part; fraction |
| 5 | Latin | fractio | the action of breaking; fraction |
| 6 | Latin | -tiō | tion, -ation, -ing |
| 7 | Latin | dissertātiō | (spoken) dissertation, discourse, disquisition |
| 8 | Latin | dissertus | arranged, disposed; explained |
| 9 | Latin | disserere | second-person singular future passive indicative... |
| 10 | Latin | dis- | asunder, apart, in two; reversal, removal;... |
| 11 | Latin | calceus | shoe |
| 12 | Latin | calx | limestone; chalk; the finish line |
| 13 | Ancient Greek | χάλιξ | small stone, pebble; gravel, rubble |
via English ratio
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | ratio | A number representing a comparison between two... |
| 2 | Latin | ratiō | reason, reasoning, explanation, ground, motive, rationality, rationale, purpose |
| 3 | Latin | ratus | considered, having been considered; established,... |
| 4 | Latin | rēōr | to reckon, calculate |
| 5 | Proto-Italic | rēōr | to reckon, to calculate; to think, to deem, to... |
| 6 | Proto-Indo-European | h₂reh₁- | to think, reason; to arrange |
| 7 | Proto-Indo-European | h₂er- | to fit, to fix, to put together |