| Common name | Truite arc-en-ciel |
| Language | French |
| Type | Vernacular |
| Official trade name | No |
| Rank | 2 - (Preferred common name (unique)) |
| Country | France |
| Locality | |
| Ref. | Organisation for Economic Co-operation and Development, 1990 |
| Life stage | juveniles and adults |
| Sex | females and males |
| Core | primary lexeme |
| 1st modifier | color pattern(s) |
| 2nd modifier | |
| Remarks | 'Truite' from Old French 'troite' from Low Latin 'tructa' from Greek 'trôktês', i.e., voracious (p. 771 in Ref. 9404); arc-en-ciel, i.e., rainbow; 'arc' from Latin 'arcus', i.e., bow (p. 43 in Ref. 9404); 'ciel' from Latin 'caelum', i.e., sky (p. 166 in Ref. 9404). |