Tertios is the personal name of the man who identifies himself as the writer of the epistle and sends greetings.

The attested use is a personal name: in Romans 16:22, the nominative singular masculine form identifies the speaker as the one who wrote the epistle and offers greetings.

1. Personal name of the epistle's writer · dominant

   In Romans 16:22, Τέρτιος is nominative singular masculine and identifies the first-person speaker; the APB renders, "I, Tertius, who wrote the epistle in the Lord, greet you."

   Romans 16:22

In the Anselm Project Bible: In Romans 16:22, the APB presents the name in the first-person identification, "I, Tertius,".