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Etymology

daddy

ˈdædi

noun

Origin

English

dad — father

Overview

Meaning Now

  • A child's term for a father.
  • A term of endearment or informal address for an older man.

Language path

English

Earliest form

daddy

Earliest period

17th century

Journey

The word is a nursery term, formed by the reduplication of basic sounds (like 'da') that infants can easily produce. These 'nursery words' are common across unrelated languages for close family members.

Evolution

  1. Proto-Indo-European

    *atta

    “father”

    Hypothetical root based on universal infant vocalizations.

  2. Middle English

    dad

    “father”

    First appearance of the base form.

  3. 17th century

    daddy

    “father”

    Formation via suffixation of -y to 'dad'.

Connections

Word parts

dad

root

father

y

suffix

diminutive

Related across languages

  • Welsh

    tad

    father

  • Irish

    daid

    dad

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External references use DefinedTerm semantics.