dodekatos marks the final item named in an ordered sequence of foundation stones.

The attested use marks the last named position in a sequence of foundation stones, identifying the amethyst as the final item listed in Revelation 21:20.

1. Final position in a listed sequence · dominant

   In Revelation 21:20, δωδέκατος is a nominative singular masculine adjective within the sequence of stones; the APB renders the clause "the twelfth amethyst," following the eleventh jacinth.

   Revelation 21:20

In the Anselm Project Bible: In Revelation 21:20, the APB presents the term in the sequence as "the twelfth amethyst." This rendering is confirmed by the verse's ordered list rather than treated as a separate definition.