family–tree theory

noun

Definition of family–tree theory

  1. :  a theory in linguistics: at various periods branches (as Germanic) sprang from a parent language (as Indo-European) and subsequently forked into subbranches (as West Germanic, North Germanic) that later split up into the various modern languages (as English, German, Swedish) —called also pedigree theory — compare wave theory

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Origin and Etymology of family–tree theory

translation of German stammbaumtheorie


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