The origins of the Swahili language are a bit unsure. Swahili is considered a Bantu language. Its grammatical structure is the same as other Bantu languages. The earliest known existence of Swahili is in the 2nd century AD. A document written at that time says merchants from Southern Arabia visiting the coast used to speak with the natives in Swahili. Another possibility is the Swahili language originated from Arabs and Persians who moved to the coast - although it's really only the vocabulary of Swahili that is Arabian and Persian - not the grammar.
The Swahili language remained spoken only on the coast until about 200 years ago when settlers began to make their way west into the interior of East Africa.
The Arabs and Persians had a huge influence on the Swahili language. In fact, almost every culture that has attempted to control East Africa made its own impact on the Swahili language. The Swahili language is a sort of melting pot of many languages. Here are some examples:
Words with Bantu origins: moja = one mbili = two | Words borrowed from Arabic: sita = six saba = seven |
Words borrowed from Persian: chai = tea serikali = government | Words borrowed from Portuguese: meza = table pesa = money |
Words borrowed from English: penseli = pencil baiskeli = bicycle | Words borrowed from German: shule = school hela = German coin |
Swahili is spoken in many East African countries including Kenya, Tanzania, Zambia, Malawi, South Africa, and Uganda. In fact, Swahili is now the seventh most spoken language in the world.