Definition of "sakau"

The Nationals MP suffered the consequences of drinking an entire shell of sakau – a traditional Micronesian kava with sedative qualities made from the root of the pepper plant – in one hit, thinking it was similar to South Pacific kava. […] While not alcoholic, sakau – like other kavas served throughout the Pacific region – is known for its narcotic sedative effect.

2022 December 16, Amy Remeikis, “‘I went cross-eyed’: Australia’s former deputy PM taken to hospital after drinking entire bowl of kava”, in The Guardian‎