English
secosteroid
Secosteroid comes from Latin secō ‘to cut’, and goes back to Proto-Indo-European *sek-.
- Proto-Indo-Europeanc. 4500–2500 BCE*sek-‘to cut, cut off, sever’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*sékh₁yetireconstructed
- Proto-Italicc. 1500–700 BCE*sekaō‘to cut’reconstructed
- Latinc. 75 BCE–200 CEsecō‘to cut’
- Englishtodaysecosteroid
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*sek-‘to cut, cut off, sever’reconstructed
- Proto-Indo-European, derivedc. 4500–2500 BCE*sékh₁yetireconstructed
- Proto-Italicc. 1500–700 BCE*sekaō‘to cut’reconstructed
- Latinc. 75 BCE–200 CEsecō‘to cut’
- Englishtodaysecosteroid
Linked words
through Proto-Indo-European *sek- ‘to cut, cut off, sever’
saw, design, sign, ship, seal, sack, scarlet, sawyer, sax, shingle, scythe, sich, sigil, sedge, desiccation, sain, desiccant, 58 more
through Proto-Italic *sekaō ‘to cut’
sexuality, homosexual, dissection, 17 more
through Latin secō ‘to cut’
risk, sex, section, sexual, segment, insect, sickle, het, dissect, brassica, seg, 20 more
Today it means
noun Any of the subclass of many terpenoid compounds of the tetracyclic steroid class that are structural relatives bearing a cleavage of one of the four rings of that parent class. The prototypical secosteroid is cholecalciferol, vitamin D3.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *sek- / secosteroid