cognate       
 adjective  language specialized uk/ˈkɒɡ.neɪt/ us/ˈkɑːɡ.neɪt/
 (语言或词语)同源的,相关的,类似的
Cognate languages and words have the same origin, or are related and in some way similar.
  The Italian word "mangiare" (= to eat) is cognate with the French "manger". 意大利语中的 mangiare(吃)与法语中的 manger 一词同源。 
 cognate      
noun [ C ]  language specialized uk/ˈkɒɡ.neɪt/ us/ˈkɑːɡ.neɪt/
 同源词
a word that has the same origin as another word, or is related in some way to another word