kōhī
1. (noun) dark mud - used for dyeing materials for weaving black.
Ka harakukua ētahi wāhi o te harakeke, ka tukua ki te kōhī kia pango ai ngā wāhi i harakukua rā (PK 2008:278). / When some parts of the harakeke have been scraped, it is placed in dark mud so that the parts that were scraped become black.