Where does “plethysmometer” come from?
plethysmometer (English) comes 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, from Proto-Indo-European -tḗr — Derives agent nouns from verbs, denoting someone...
plethysmometer (English): Any instrument designed to measure small changes in volume, usually via the displacement of water
Definitions
- Any instrument designed to measure small changes in volume, usually via the displacement of water
Ancestry of “plethysmometer”, step by step
| Step | Language | Word | Meaning |
|---|---|---|---|
| 1 | English | -meter | Used to form the names of measuring devices |
| 2 | French | mètre | metre/meter; first-person singular present... |
| 3 | Latin | metrum | a measure |
| 4 | Ancient Greek | μέτρον | something used to measure: measure, rule, weight;... |
| 5 | Ancient Greek | -τρον | Forms instrument nouns |
| 6 | Proto-Hellenic | -tron | Forms instrument nouns from verb stems |
| 7 | Proto-Indo-European | -trom | Forms nouns denoting a tool or instrument |
| 8 | Proto-Indo-European | -tḗr | Derives agent nouns from verbs, denoting someone... |