Swahili is a language that fuses African Bantu with Arabic. Arab sailors and traders have established links and ties with East Africa for centuries, their language strongly merged with the local language to produce a creole derivative.
The word Swahili itself is derived from Arabic Sawahili سواحلي which is plural for ساحل meaning [Language] of the Coast.
This article gives some examples of Arabic words still in today's Swahili.
Here are some words.
|hatari||خطر||Danger. Also the title of a 1962 movie starring John Wayne, set in Africa.|
|Safari||سفر||Travel. Also: trip|
|samahani||سامحني||forgive me, excuse me|
The terms for time are strongly influenced by Arabic. Many of it taken by the prayer times of Islam.
The Swahili names for the first five days of the week all start with Juma, then the order of the day of the week, Saturday being the first day of the week. Jumaa is derived from the Arabic word جمعة which means Friday, as well as "week. Only two days of the week got the Arabic names:
Animal names are all native African Bantu (e.g. simba lion). However, there are a few exceptions.
|Tausi||طاوس||Peacock, being non-native to Africa, it took the Arabic name, which in turn took it from Persian.|
The number system is also heavily Arabic, although not exclusively so.
|nusu||نص||Half. The proper classical Arabic word is نصف nisf. In many present day dialects it is "nus", like in Swahili.|
|mia||مئة||100. The middle letter in classical Arabic is Hamza, however, in present day dialects, like Swahili, it is a Y sound.|
Here are some useful links on Swahili.