Latinize

Concise Oxford English Dictionary © 2008 Oxford University Press:
Latinize /ˈlatɪnʌɪz/ (or Latinise)

▶verb

• 1 give a Latin or Latinate form to (a word).

  ■ archaic translate into Latin.

• 2 cause to conform to the ideas and customs of the ancient Romans or the Latin Church.

– derivatives
Latinization noun,
Latinizer noun.