àbá-ìpìlẹ̀ noun /à.bá.ì.k͡pì.lɛ̀/
Definitions
  1. hypothesis
Etymology
From àbá (“theory”) + ìpìlẹ̀ (“foundational, base”), literally “The base of a theory”.
Component words
àbátheory ìpìlẹ̀foundational, base
Source: Wiktionary, where this word is spelled “aba-ipilẹ”. Reference: en-aba-ipilẹ-yo-noun-e-t~Slcl