English word rainbow comes from Proto-Germanic *regnaz (Rain.), Proto-Germanic *bugô (A bow.), Proto-Germanic *regną (Rain.)
| Dictionary entry | Language | Definition |
|---|---|---|
| *regnaz | Proto-Germanic (gem-pro) | Rain. |
| *bugô | Proto-Germanic (gem-pro) | A bow. |
| *regną | Proto-Germanic (gem-pro) | Rain. |
| *regnabugô | Proto-Germanic (gem-pro) | Rainbow. |
| reġnboga | Old English (ang) | |
| regnboga | Old English (ang) | A rainbow. |
| reinboȝe | Middle English (enm) | |
| rainbow | English (eng) | (attributive) LGBT.. (attributive, chiefly, US) Made up of several races or ethnicities, or (more broadly) of several cultural or ideological factions.. (poker, chiefly, of a flop) Composed entirely of different suits.. Multicoloured. (transitive) To pattern with many colours, like a rainbow. (baseball) A curveball, particularly a slow one.. (figurative) An illusion, mirage.. (often used [...] |