MEANING: noun:
1. An extinct, flightless bird from Mauritius, related to the pigeon but of the size of a turkey.
2. Someone or something that is old-fashioned, ineffective, or outdated.
3. A stupid person.

ETYMOLOGY: From Portuguese doudo/doido (silly, fool). Ultimately from the Indo-European root ors- (buttocks) which also gave us ass, cynosure, and squirrel. Earliest documented use: 1628


DONO - what a physician should avoid before all other things (before "harm")

CODO - 1. work together; see also DIDO
2. last word in an arbitrary line in an arbitrary fisherman's sea chanty

DONDO - singular of DONDI, an extinct, flightless orphan from a 60-year-old comic strip