Question: where do the clicks in south african languages come from

title: Xhosa language
text: Xhosa ( English : / ˈkɔːsə / or / ˈkoʊsə / ; Xhosa : isiXhosa ( isikǁhɔ́ːsa ) ) is a Nguni Bantu language with click consonants ( `` Xhosa '' begins with a click ) and one of the official languages of South Africa . Although not widely spoken there , it is also an official language of Zimbabwe . `` Xhosa is spoken as a first language by 8.2 million people and by 11 million as a second language in South Africa , mostly in Eastern Cape Province . Total number of users in all countries is 19.2 million ( Ethnologue ) '' . Like most other Bantu languages , Xhosa is a tonal language ; the same sequence of consonants and vowels can have different meanings , depending on intonation . Xhosa has two tones : high and low . 

Answer: answer: Xhosa is a Nguni Bantu language with click consonants. It is a tonal language ; the same sequence of consonants and vowels can have different meanings , depending on intonation .
answer: South African languages are tonal languages, where the same sequence of consonants and vowels can have different meanings, depending on intonation. These languages are known to have click consonants, which are behind the clicks.