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Etymology

dad

/dæd/

noun

Origin

Unknown

Unknown — Likely an imitative nursery word.

Overview

Meaning Now

  • A person's father, usually used as a familiar or affectionate term.

Language path

Unknown origin → English

Earliest form

dad

Earliest period

16th century

Journey

The word is widely regarded as a 'nursery word' (lalling), consisting of simple repetitive syllables like 'da' or 'pa'. Similar terms for father exist across many unrelated language families, likely because these sounds are among the easiest for human infants to articulate.

Evolution

  1. 16th century

    dad

    “Father”

    First appearance in written English texts.

  2. 17th century

    dada

    “Father”

    Variant form often used in addressing a father.

  3. Modern English

    dad

    “Father”

    Standard informal term for a male parent.

Connections

Word parts

dad

root

Father

Related across languages

  • Welsh

    tad

    father

  • Cornish

    tas

    father

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