Contents › Section 2: Morphology, Syntax, Lexicon › answer 9 of 37
Does the classification of languages "agglutinating" concern itself with inflectional morphology, derivational morphology, or both?
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The original formulation of the 'aggluttinative type' applied to both derivation and inflection. The key element is monosemantic nature of the morphemes involved (but there are also many other criteria).
It seems to me that the criteria are best illustrated with functional rather than derivational morphemes. Which is why most of the examples given are inflectional. I don't have my books near me to confirm, but I think Skalicka (one of the early investigators) mostly considered inflection in his work on Hungarian.
© Dominik Lukeš. Licensed under CC BY-SA 3.0. Originally published on Linguistics Stack Exchange, attributed there to Dominik Lukes (profile).