The term thieved is too strong here. Languages borrow words all the time, like how various English words have made it into other languages.
Many of the French words came about due to England being invaded by he Norman French. A lot of food words come about due to using the native terms for those -- this is why the meat words are French based and the animal words are Norse/Germanic.
In Florida, you see a lot of Spanish words entering English due to the cultures co-existing and mixing. This happends a lot near country borders where you see languages blend together as the different speakers mix.
Do creole languages (of which there are many) steal the words from their parent languages?