ATLAS OF LANGUAGE

AT-091-021 · ATLAS 260

Reduplication

The formation of linguistic forms through the complete or partial repetition of material.

Part of the subject path Morphology and Word Formation

Why is this entry in the Atlas?

F · Figure / procedure R1 · Distinct contribution to understanding

Reduplication examines repetition creating grammatical categories. It adds productive word or form building to rhetorical recurrence, without inferring the same cross-linguistic meaning from a similar repeated pattern.

Colours and admission grounds

The rectangular label identifies the entry function: F – linguistic figure or procedure; A – analytical concept; G – foundational concept; E – selected concrete case. The rounded badge indicates the admission ground: R1 – distinctive contribution; R2 – necessary foundation; R3 – justified illustrative case. This editorial rationale explains the current selection rather than claiming an undocumented original selection history.

Explanation

Reduplication is a morphological process in which a base or part of its phonological structure is copied and the copy carries a grammatical or lexical function. Full reduplication repeats the entire base, whereas partial reduplication selects prosodically or segmentally defined material. Depending on the language, the process may mark plurality, iteration, intensity, diminution, aspect, or word class; it has no universal meaning. The systematic relation among base, copy, and function is decisive. Rhetorical repetition of independent words, accidental doubling, and gemination of one consonant are therefore not automatically reduplication. The concept reveals a distinctive movement of word form: existing material is not merely supplemented but mirrored and grammatically revalued, making similarity itself an operation of form-building.

Movement of thought

1. A linguistic base first stands with its phonological and semantic structure as the input to a morphological process. 2. A rule selects the entire base or a prosodically specified portion and produces a form-dependent copy. 3. Base and copy jointly constitute a new word form whose function is conventionally determined within the particular language. 4. A counter-test examines productivity, copying domain, and grammatical function and separates reduplication from repetition, compounding, affixation, gemination, and sound imitation. 5. The source form returns within itself but not unchanged: its copy makes number, progression, intensity, or another category perceptible.

Scientific use case

Morphology and typology document the copying domain, phonological adaptation, meaning, and productivity through paradigms, corpora, and speaker judgments. Analyses separate synchronic rules from fossilised historical forms.

Example

In one language, a specified initial portion of the verb stem is copied to mark repeated action, and other verbs follow the same productive pattern.

Counterexample

A speech repeats the independent word “now” three times for emphasis. This is rhetorical repetition but, without a morphological base-copy structure, not reduplication.

Distinction

Distinguish it from rhetorical repetition, reduplicative formations as lexical outcomes, full reduplication as a subtype, gemination, compounding, affixation, ablaut, and expressive sound repetition.

Effect on thought and perception

Reduplication makes similarity grammatically productive, expands paradigms, and can use a repeated formal portion to mark widely differing language-specific categories.

Resonance

A form casts a linguistic echo that does not merely repeat but returns to the base and changes its grammatical shape.

Cite this entry

Reich, Michael (Hrsg./ed.): „Reduplication“. Atlas der Sprache, AT-091-021. ATLAS 260, data model 1.6.0. https://atlasoflanguage.com/concept/AT-091-021

https://atlasoflanguage.com/concept/AT-091-021

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Historical background

Sapir's 1921 reduplication repeats all or part of a radical element. He associates the process with plurality, distribution, repetition, continuation and intensity, but also records more distant functions, including verbal derivation and historical perfect formation. His treatment distinguishes English repetitions from more grammaticalized processes elsewhere. His gender-related remarks about usage remain period-specific authorial assertions.

How conceptual history changes the analysis

Duplication does not automatically mean more of the same content; its function needs evidence from the relevant system.

References for the historical section

  • Edward Sapir, Language: An Introduction to the Study of Speech (1921) · Chapter IV, reduplication: full and partial forms, functions and English examples

    Original English text read in the Gutenberg transcription. No first-coinage claim, full-book verification or automatic endorsement of the author’s 1921 language classifications and generalisations. Examples require modern descriptive checking before reuse as current language data.

Historical source evidence and Atlas applications remain separate; this import does not assert new first attestations or a fresh exhaustive source verification.