Sentence:  This fact, like so many others, is accounted For in part by <WSD>Irishisms</WSD> in southern Scottish Gaelic, in part by the strong Scottish influence on northern Irish. The  most significant trait in the nominal inflexion is the plural termination —(c)an,  which ... 
Meaning of the word marked with <WSD> tags:  A word, phrase, or idiom of Irish Gaelic (especially as borrowed into another language).