gatandatũ

adj.

1. sixth. Sixth. The ordinal number indicating position number six in a sequence or series.

Example: na wa gatandatũ nĩ Atai, na wa mũgwanja nĩ Elieli, (Mishmannah fourth, Jeremiah fifth,); Ningĩ Lea akĩgĩa ihu rĩngĩ, agĩciarĩra Jakubu kahĩĩ ga gatandatũ. (Leah conceived again and bore a sixth son to Jacob;)