

O meu casaco é castanho.
Tens um cão castanho?
Quero o sofá castanho, não o preto.
"castanho" is in the lesson "Specifications" (Level 44), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,380 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.