What is the meaning of Tiêu?

clipping of tiêu hoá (“to digest”) (to separate food in the alimentary canal)

to be able to take in and process knowledge or information

to cease to exist

to be screwed bigtime

clipping of tiêu dùng (“to spend”) (to expend money)

a vertical bamboo flute used in traditional Vietnamese music

several plants – of the genus Xanthoxylum and the family Piperaceae – which are used as spices; pepper

Sino-Vietnamese reading of 焦

Sino-Vietnamese reading of 硝

Source: wiktionary.org