English

tri-

Tri- comes from Proto-Italic *tri- ‘three, tri-’, and goes back to Proto-Indo-European *tri-.

Proto-Indo-Europeanc. 4500–2500 BCE*tri-‘three, threefold’reconstructed
Proto-Italicc. 1500–700 BCE*tri-‘three, tri-’reconstructed
Englishtodaytri-

attested reconstructed ? uncertain or disputed deepest recorded ancestor

Lineage

Proto-Indo-Europeanc. 4500–2500 BCE*tri-‘three, threefold’reconstructed
Proto-Italicc. 1500–700 BCE*tri-‘three, tri-’reconstructed
Englishtodaytri-

Linked words

through Proto-Indo-European *tri- ‘three, threefold’

tertiary, trine, 12 more

through Proto-Italic *tri- ‘three, tri-’

trial, triple, trillion, treble

Another origin of tri-

Proto-Indo-Europeanc. 4500–2500 BCE*tréyes‘three’reconstructed
Proto-Indo-Iranianc. 2500–1800 BCE*tráyas‘three’reconstructed
Proto-Indo-Aryanprehistoric (reconstructed)*tráyasreconstructed
Sanskritc. 1500–500 BCEत्रिtri‘three’
Englishtodaytri-

Today it means

prefix Three.

Language periods are conventional ranges, not dates for this word.

Etymograph / Proto-Indo-European *tri- / tri-

Shirt and support for this word