Losing your ability to speak Teochew

Do you know the term for a person losing one's ability to speak one's own language?  It is called ghe2ngang5 liu5sig4.  This term was used to describe the indigenous people 原住民 in Taiwan losing their ability speak their own language 語言流失. 

ghe2ngang5 liu5sig4 語言流失｜语言流失

the loss of language – referring to someone losing the ability or skill to speak a language, perhaps due to not have spoken the language for a long time

yu3yan2 liu2shi1 語言流失｜语言流失

Are you losing your ability to speak Teochew? Are you one of the statistics to suffer from ghe2ngang5 liu5sig4?

原住民 nguang5zu6ming5 - the indigenous people - and you can hear how to say nguang'zu'ming by clicking on the link.

and you can click on this link to hear how to say ghe ngang liu sig as in losing one's ability to speak one's own language