A line on a dialect map marking the boundary between linguistic features.
- Such boundaries are called isoglosses and are themselves subjected to various shades of definition.
- The following map, for example, shows several isoglosses for different grammatical features of Anishinaabemowin.
- All words belonging to the same isogloss must have sound correspondences and clear similarities in form and meaning.
- Example sentences
- Even this inscription is not too extensive, and lacks many constructs which could be helpful for dialectical isoglossal comparison.
Early 20th century: from iso- 'equal' + Greek glōssa 'tongue, word'.
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