oracle
UK[ˈɒrək(ə)l]US[ˈɔːrək(ə)l]
n
(in ancient Greece) a priest or priestess acting as a medium through whom advice or prophecy was sought from the gods.
n
A place at which such advice or prophecy was sought.
n
A person or thing regarded as an infallible authority on something.
Etymology
The word 'oracle' entered English in the late 14th century via Old French, tracing back to the Latin 'ōrāculum', meaning a divine announcement or prophecy. This Latin term itself derives from 'ōrāre', a verb meaning 'to speak, pray, or plead', which is connected to 'ōs' (genitive 'ōris'), meaning 'mouth'. The conceptual journey is from the physical act of speaking ('ōrāre') to the formal, sacred context of a divine pronouncement ('ōrāculum'), and finally to the modern senses encompassing the divine medium, the sacred site, and, by metaphorical extension, any source of unquestioned wisdom or authority.
Analysis
The word 'oracle' is a simplex loanword from Latin. It cannot be meaningfully segmented into smaller, independent morphemes using its modern English spelling. Its core component is the Latin root 'ōrā-', related to speaking and prayer.
Examples
The ancient Greeks would travel to Delphi to consult the oracle of Apollo.
The economist's predictions were so accurate that he was regarded as an oracle by investors.
The book became an oracle for a generation seeking spiritual guidance.