English word triarchy comes from English tri-, English -archy (Form of government or rule.)
| 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. |
| -archy | English (eng) | Form of government or rule. |
| triarchy | English (eng) | A country under three rulers.. Government by three persons; a triumvirate. |