Definition - A general term for a variety of phonological processes that occur at either morpheme or word boundaries.

Some examples of the phenomenon are:

(1) The fusing of sounds across word boundaries, e.g. in English when we use an if the following word begins with a vowel and a if it does not.

(2) The alterating of sounds in response to neighboring sounds.

(3) The altering of sounds due to the grammatical function of adjacent words.

Etymology -
The word means "joining" in Sanskrit.

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