Baretti: A dictionary of the English and Italian languages
Sottentráre, v. a.
1. to slip, creep, or enter under; 2. to succeed, to come next or after.— in una usanza, to follow a mode or custom. — in un ragionamento, to intrude one's self into a conversation or discourse; 3. to come up to a person little by little, to insinuate one's self; 4. to fall; 5. to come to pass, to happen;6. to habituate little by little.
Florio: a worlde of wordes, or most copious, dictionarie in Italian and English