English
involucrum
Involucrum comes from Latin involūcrum ‘wrapper, covering, case, envelope’, from involvō ‘to roll to or upon something’, and ultimately from Proto-Indo-European *welH-.
- Proto-Indo-Europeanc. 4500–2500 BCE*welH-1‘to roll, to undulate’reconstructed
- Proto-Italicc. 1500–700 BCE*wolwō1reconstructed
- Latinc. 75 BCE–200 CEvolvō1‘to roll, tumble’
- Latinc. 75 BCE–200 CEinvolvō1‘to roll to or upon something’
- Latinc. 75 BCE–200 CEinvolūcrum2‘wrapper, covering, case, envelope’
- Englishtodayinvolucrum2
attested reconstructed ? uncertain or disputed deepest recorded ancestor
- 1 Wiktionary, Latin involucrum
- 2 Wiktionary, English involucrum
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*welH-Wiktionary, Latin involucrum‘to roll, to undulate’reconstructed
- Proto-Italicc. 1500–700 BCE*wolwōWiktionary, Latin involucrumreconstructed
- Latinc. 75 BCE–200 CEvolvōWiktionary, Latin involucrum‘to roll, tumble’
- Latinc. 75 BCE–200 CEinvolvōWiktionary, Latin involucrum‘to roll to or upon something’
- Latinc. 75 BCE–200 CEinvolūcrumWiktionary, English involucrum‘wrapper, covering, case, envelope’
- EnglishtodayinvolucrumWiktionary, English involucrum
Linked words
through Proto-Indo-European *welH- ‘to roll, to undulate’
well, walk, wall, valve, vulgar, waltz, helix, divulge, vagrant, wale, vulgate, iliac, gauche, ilium, valvular, valise, 71 more
through Proto-Italic *wolwō
revolve, devolution, devolve, convolutional, 40 more
through Latin volvō ‘to roll, tumble’
revolution, volume, evolution, vault, evolve, revolt, vulva, convoluted, voluminous, convolution, voluble, 44 more
through Latin involvō ‘to roll to or upon something’
Today it means
noun A sheath that covers or envelopes, especially one that forms around the sequestrum of new bone.
Sources
Sources: Wiktionary, “involucrum”; the older steps come from the Wiktionary entry for Latin involucrum. 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 *welH- / involucrum