cachou

[ kuh-shoo, ka-, kash-oo ]

/ kəˈʃu, kæ-, ˈkæʃ u /

catechu.

a pill or lozenge for sweetening the breath.

Origin of cachou

1700–10; < French < Portuguese cachu < Malay; see catechu

For Cachou Aromatis, and other compounds552 for sweetening the breath, see Perfumery.

Cooley's Cyclopdia of Practical Receipts and Collateral Information in the Arts, Manufactures, Professions, and Trades..., Sixth Edition, Volume I |Arnold Cooley
The pod somewhat resembled that of the Cachou nut of the Brazils,—Mnumul is the native name.

Journal of an Expedition into the Interior of Tropical Australia |Thomas Mitchell

cachou

/ (ˈkæʃuː, kæˈʃuː) /

a lozenge eaten to sweeten the breath

another name for catechu

C18: via French from Portuguese, from Malay kāchu