ΜατθίαςMatthíasMatthias: Acts 1:23, Acts 1:26.Greek (New Testament) · G3159Same rootΜατταθίαςMattathías · G3161Mattathias (i.e. Mattithjah), an Israelite and a ChristianWhere it appearsAppears 2 times in the Bible.Acts 1:23 So they nominated two men: Joseph called Barsabbas (also known as Justus) and Matthias.Acts 1:26 Then they cast lots, and Matthias was selected to become an apostle with the other eleven.Source: G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922), public domain.