language transfer
US /ˈlæŋɡwɪdʒ ˈtrænsfər/
UK /ˈlæŋɡwɪdʒ ˈtrænsfər/

1.
the influence of one's native language on the learning of a new language
:
•
Positive language transfer can make learning a new language easier.
•
Negative language transfer often leads to errors in pronunciation or grammar.