Where does “pneumotachometer” come from?
pneumotachometer (English) comes from English tachometer, from English meter, from French mètre, from Latin metrum, from Ancient Greek μέτρον, from Ancient Greek -τρον, from Proto-Hellenic -tron, from Proto-Indo-European -trom — Derives agent nouns from verbs, denoting someone...
pneumotachometer (English): A spirometer that measures the flow rate of gases by detecting pressure differences across the fine mesh
Definitions
- A spirometer that measures the flow rate of gases by detecting pressure differences across the fine mesh
Ancestry of “pneumotachometer”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | tachometer | A device for measuring the revolutions per minute... |
| 2 | English | meter | A device that measures things; A parking meter or... |
| 3 | French | mètre | metre/meter; first-person singular present... |
| 4 | Latin | metrum | a measure |
| 5 | Ancient Greek | μέτρον | something used to measure: measure, rule, weight;... |
| 6 | Ancient Greek | -τρον | Forms instrument nouns |
| 7 | Proto-Hellenic | -tron | Forms instrument nouns from verb stems |
| 8 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 9 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |