tāpia, (-‘ia). Starch something.
Kua tāpia taku māmā i tōku kāka‘u ‘āpi‘i.
My mother has starched my school uniform. Kāka‘u tāpia, starched clothes. Pona tāpia, starched shirt or dress.
‘E kāka‘u tāpia tāna i ‘a‘ao ei ki te pure.
She wore a starched dress to church;
Kua tāpia ‘aia i te auaro pūtē.
She starched the pillowcase.