The source places poke's origin in the pre-contact period, before Captain Cook's 1778 arrival, as a longstanding Native Hawaiian fishing practice, but gives no earlier bound or approximate century within that pre-contact era.
What would resolve this An archaeological or ethnohistorical source on ancient Hawaiian food practices naming an approximate century within the pre-contact period for the origin of raw-fish poke preparation.
Openfood historyPoke (dish) (Wikipedia)