English word tricuspid comes from English tri-, English cuspid (A tooth with a single cusp; a canine.)
| Dictionary entry | Language | Definition |
|---|---|---|
| tri- | English (eng) | (chemistry) Used in combination with a known element name (e.g. 'tri-silicon') to designate an unknown element that would reside three periods lower than the known element on a Mendeleev-type periodic table. See Mendeleev's predicted elements. Three. |
| cuspid | English (eng) | A tooth with a single cusp; a canine. |
| tricuspid | English (eng) | A molar tooth that has three cusps Having three cusps, e.g. a molar tooth. |