Where does “kakadu” come from?
kakadu (Polish) comes from German Kakadu, from Dutch kaketoe, from Malay kakaktua, from Malay tua, from Classical Malay tua, from Malay tuha, from Proto-Malayic tuha, from Proto-Malayo-Chamic tuha — old.
kakadu (Polish): cockatoo
Ancestry of “kakadu”, step by step
| Step | Language | Word | Meaning |
|---|
| 1 | German | Kakadu | cockatoo |
| 2 | Dutch | kaketoe | cockatoo, parrot of the family Cacatuidae |
| 3 | Malay | kakaktua | cockatoo; pincers |
| 4 | Malay | tua | old; ripe |
| 5 | Classical Malay | tua | old; ripe |
| 6 | Malay | tuha | Obsolete form of tua |
| 7 | Proto-Malayic | tuha | — |
| 8 | Proto-Malayo-Chamic | tuha | — |
| 9 | Proto-Malayo-Sumbawan | tuha | — |
| 10 | Proto-Malayo-Polynesian | (ma-)tuqah | old |
| 11 | Proto-Austronesian | (ma-)tuqaS | old |