English
thermometer
Thermometer comes from French thermomètre.
- Frenchc. 1600–presentthermomètre
- Englishearliest quotation 1835thermometer
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Frenchc. 1600–presentthermomètre
- Englishearliest quotation 1835thermometer
Earliest quotation: 1835, John Ross, James Clark Ross: “Towards the following morning, the thermometer fell to 5°;…”
Formed from thermo- + -meter
Proto-Indo-European *gʷʰer- ‘to be warm’
Proto-Indo-European *gʷʰermos
Proto-Hellenic *kʷʰermós
Ancient Greek θερμός ‘warm, hot’
English thermo-
Every English word from French thermomètre
Today it means
noun An apparatus used to measure temperature.
Language periods are conventional ranges, not dates for this word.
Etymograph / French thermomètre / thermometer