ìpinnu noun /ì.k͡pĩ̄.nũ̄/
Definitions
  1. decision, resolution, conclusion
Etymology
ì- (“nominalizing prefix”) + pinnu (“to decide”)
Component words
ì-nominalizing prefixpinnuto decide
Source: Wiktionary, where this word is spelled “ipinnu”. Reference: en-ipinnu-yo-noun-qtsbYpE7