1. (verb) to recite genealogy in a single line of descent.
2. (noun) single line of whakapapa.
Ko te whakapapa kōhikohiko, i roto i te whakapapa kōhikohiko kua kore e whai i te tātai taotahi, arā, whakaheke haere tonu mai i te taha kotahi anake, he taotahi tērā (Milroy 2015). / The genealogy recited in a selective way, the whakapapa kōhikohiko, does not follow a single line of descent, in other words tracing descent coming down one line only, which is taotahi.