Anglice

наречие [литературно-книжное] по-английски, на английский лад, в английской манере

Большой англо-русский словарь

Anglice

adverb Usage: often capitalized Etymology: Medieval Latin, adverb of anglicus in English; especially in readily understood English Example: the city of Napoli, anglice Naples

Merriam-Webster's Collegiate Dictionary