tēwhea
1. (determiner) which? (singular) - variation of tēhea?.
(Te Kākano Textbook (Ed. 2): 47, 100;)
Engari hei tēwhea wā o te marama ka kitea tuatahitia a Matariki i te atapō? (TTT 1/6/1922:13) / But which time of the month before dawn are the Pleiades first seen?
See also tēhea