English
deca-
Deca- comes from Late Latin decas ‘(set of) ten’, and goes back to Proto-Indo-European *déḱm̥.
- Proto-Indo-Europeanc. 4500–2500 BCE*déḱm̥‘ten’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*dékə‘ten’reconstructed
- Ancient Greekc. 800–300 BCEδέκαdéka‘ten’
- Ancient Greek, derivedc. 800–300 BCEδεκάςdekás‘a group of ten, decade’
- Late Latinc. 200–600 CEdecas‘(set of) ten’
- Englishtodaydeca-
attested reconstructed ? uncertain or disputed
Lineage
- Proto-Indo-Europeanc. 4500–2500 BCE*déḱm̥‘ten’reconstructed
- Proto-Hellenicc. 2200–1600 BCE*dékə‘ten’reconstructed
- Ancient Greekc. 800–300 BCEδέκαdéka‘ten’
- Ancient Greek, derivedc. 800–300 BCEδεκάςdekás‘a group of ten, decade’
- Late Latinc. 200–600 CEdecas‘(set of) ten’
- Englishtodaydeca-
Linked words
through Proto-Indo-European *déḱm̥ ‘ten’
ten, century, cent, hundred, dick, dozen, dean, sen, den, diner, hectare, decimal, tenfold, denier, dwt, doyen, deni, 52 more
through Ancient Greek δεκάς ‘a group of ten, decade’
Today it means
prefix Ten.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Indo-European *déḱm̥ / deca-