/ swəˈhiːli; NAmE ; swɑːˈh-/ (also Ki·swa·hili / ˌkiːswəˈhiːli; NAmE ; ˌkɪswɑːˈh-/) noun
[ U ] a language widely used in E Africa, especially between people who speak different first languages
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WORD ORIGIN
from Arabic sawāḥil , plural of sāḥil coast.