Thomas
wiktionary
From Middle English Thomas, from Latin Thōmās (as in the Vulgate), from Ancient Greek Θωμᾶς(Thōmâs), the Biblical Greek transcription of Aramaic תאומא or תאמא (“twin”), the nickname of one of the Twelve Apostles. In the gospel of John (11:16, 20:24), the Aramaic nickname is also translated into Greek, as δίδυμος(dídumos). Use as a given name since the Middle Ages, e.g. Thomas the Presbyter (7th century), Thomas the Slav (8th century), Thomas of Bayeux (died 1100).
etymonline
Thomas
masc. proper name, from Greek Thomas, of Aramaic origin and said to mean "a twin" (John's gospel refers to Thomas as ho legomenos didymos "called the twin;" compare Syriac toma "twin," Arabic tau'am "twin"). Before the Conquest, found only as the name of a priest, but after 1066, one of the most common given names in English. Also see Tom, Tommy. Doubting Thomas is from John xx.25. A Thomist (1530s, from Medieval Latin Thomista, mid-14c.) is a follower of 13c. scholastic theologian St. Thomas Aquinas.
