👉 In the context of the Septuagint, "semithecle" refers to a period (70 years) in the life of Jesus Christ. The Septuagint is an ancient Greek text written by the Christian church and known for its historical accuracy and literary quality. In this context, "semithecle" implies that Jesus lived from 63-70 CE, which is one of the most widely accepted dates for his birth and death.