kātahi
1. (interjection) then, and then - when used with this meaning, the verbal particle preceding the verb will be ka. Often the subject of the clause will be placed between kātahi and kā.
Kātahi ka kohete i a au, "He aha koe i pōrangi ai ki te peke ki runga i te rore?" (HP 1991:23) / Then she reprimanded me, "Why were you so stupid to jump on to the lorry?"
Kātahi rātou ka neke atu ki Te Whanganui-a-Tara (TTR 1990:82). / And then they moved to the Wellington Harbour area.