Sabine f. Latin Sabini from Ancient Greek Σαβῖνοι, the exonymic name of an Italic tribe from the central Apennines, which also gave rise to a Latin cognomen Sabinus.
The cognomen of a 1st C AD Roman empress and a 2nd C Roman empress, and the name of a 2nd C Roman saint and a 4th C Roman saint.
The English diminutive Sab and the vernacular form Sabyn are witnessed in 1379 in the relational bynames Sabsoñ (WRYPT1 p. 305) and Sabynsoñ (WRYPT1 p. 153).