Morpheme
Tri(a) [Tri, Tria]
Type
bound base
Denotation
three
Etymology
(1) Latin tria, from trēs; (2) Greek tría; Ancient Greek tría, from treîs, trís
Evidence
dotriacontahectane, dotriacontane, gypsotriose, hentriacontane, heptatriacontane, hexatriacontane, nonatriacontane, octatriacontane, paraskavedekatriaphobia, paraskavedekatriaphobic, paraskevidekatriaphobe, paraskevidekatriaphobe, paraskevidekatriaphobia, paraskevidekatriaphobic, pentatriacontane, pregnanetriol, tetratriacontane, tetratriacontane, triacetate, triaconta-, triacontadigon, triacontakaitetragon, triacontane, triacontatetragon, triad, trialate, trialogue, triangle, triangulate, triannual, triarchy, triathlon, triaulic, triaxial, triband, triborate, tributyl, tricapsular, tricentenarian, tricephalous, triceratops, tricoastal, tricolor, tricycle, tridactyly, triene, triennial, trifactorial, trigalactose, triglot, trihedron, trijet, trikini, trilateral, trilineage, trilobite, trilobular, trimester, trimesters, trimestral, trimestrial, trimethyl, trinodal, trio, trioctile, triol, -triol, trionym, trios, triose, tripartisan, triphonic, triple, triplicate, triquadrantal, triracial, triradial, trisaturated, trisomy, tristate, tritangential, triterminal, tritonal, tritriacontadiene, tritriacontane, tritriacontene, triunity, triurea, trivalent, trivariant, triweekly, triyearly, trizonal, untriacontane, xylotriose
Notes
Tri more common than Tria
Triskaideka- and triskaideca- “thirteen” literally mean “three and ten”
