English
liposome
Liposome comes from Ancient Greek λίπος ‘fat’, and goes back to Proto-Indo-European *leyp-.
- Proto-Indo-Europeanc. 4500–2500 BCE*leyp-1‘fat substance’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*lípos1‘fat’reconstructed
- Ancient Greekc. 800–300 BCEλίπος2lípos‘fat’
- Englishearliest quotation 1930liposome2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Ancient Greek λίπος
- 2 Wiktionary, English liposome
- Earliest quotation in Wiktionary’s entry: 1930, Ben Dawes, The Absorption of Fats and Lipoids in the Plaice (P. platess: “Albrecht applied the term "liposome" to small refractive droplets…”.
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*leyp-Wiktionary, Ancient Greek λίπος‘fat substance’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*líposWiktionary, Ancient Greek λίπος‘fat’reconstructed
- Ancient Greekc. 800–300 BCEλίποςWiktionary, English liposomelípos‘fat’
- Englishearliest quotation 1930liposomeWiktionary, English liposome. Earliest quotation in Wiktionary’s entry: 1930, Ben Dawes, The Absorption of Fats and Lipoids in the Plaice (P. platess: “Albrecht applied the term "liposome" to small refractive droplets…”
Linked words
through Proto-Indo-European *leyp- ‘fat substance’
life, leave, live, living, twelve, eleven, lib, lave, lipa, 18 more
through Proto-Hellenic *lípos ‘fat’
Today it means
noun An aqueous compartment enclosed by a bimolecular membrane, typically of phospholipid; a lipid vesicle.
Sources
Sources: Wiktionary, “liposome”; the older steps come from the Wiktionary entry for Ancient Greek λίπος. By Wiktionary contributors, CC BY-SA 4.0, via kaikki.org (dump of Oct 3 2026); text adapted and restructured. Language periods are conventional ranges, not dates for this word. License.
Etymograph / Proto-Indo-European *leyp- / liposome