English
fugacity
Fugacity comes from Latin fugiō ‘flee’, and goes back to Proto-Indo-European *bʰewg-.
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰewg-reconstructed
- Proto-Italicc. 1500–700 BCE*fugjō‘to flee’reconstructed
- Latinc. 75 BCE–200 CEfugiō‘flee’
- Englishearliest quotation 1983fugacity
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*bʰewg-reconstructed
- Proto-Italicc. 1500–700 BCE*fugjō‘to flee’reconstructed
- Latinc. 75 BCE–200 CEfugiō‘flee’
- Englishearliest quotation 1983fugacity
Earliest quotation: 1983, Jack Vance: “Duke Orbal disallowed it on the grounds of fugacity.”
Formed from -acity
Linked words
through Proto-Indo-European *bʰewg-
function, fungi, defunct, perfunctory, 15 more
through Latin fugiō ‘flee’
Today it means
noun A measure of the tendency of a fluid to expand or escape.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *bʰewg- / fugacity