Sentence:  However, who is "<WSD>allochthone</WSD>" and who is "'autochthone" is a matter of absolutely unclear classification, and the term <WSD>allochthone</WSD> soon started to be used mainly for the Moroccans and the Turkish. 
Meaning of the word marked with <WSD> tags:  Inhabitants of a country with an ethnic background in another country, particularly people of Middle Eastern background living in Europe.