English
plethysmometer
Plethysmometer comes from Ancient Greek πληθυσμός ‘increase’, from πληθύς ‘throng’, and ultimately from Proto-Indo-European *pleh₁- ‘to fill’.
- Proto-Indo-Europeanc. 4500–2500 BCE*pleh₁-‘to fill’reconstructed
- Ancient Greekc. 800–300 BCEπληθύςplēthús‘throng’
- Ancient Greek, derivedc. 800–300 BCEπληθύνω‘I increase’
- Ancient Greek, derivedc. 800–300 BCEπληθυσμόςplēthusmós‘increase’
- Englishtodayplethysmometer
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*pleh₁-‘to fill’reconstructed
- Ancient Greekc. 800–300 BCEπληθύςplēthús‘throng’
- Ancient Greek, derivedc. 800–300 BCEπληθύνω‘I increase’
- Ancient Greek, derivedc. 800–300 BCEπληθυσμόςplēthusmós‘increase’
- Englishtodayplethysmometer
Linked words
through Proto-Indo-European *pleh₁- ‘to fill’
people, public, full, popular, plus, supply, fill, complete, plenty, poll, plain, folk, manipulation, implement, accomplish, completion, comply, supplement, ample, plural, complement, amplitude, amplify, plenary, puri, replenish, depletion, volk, plenum, replete, plebs, plebeian, deplete, fulsome, 75 more
Today it means
noun Any instrument designed to measure small changes in volume, usually via the displacement of water
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *pleh₁- / plethysmometer