01 n. That branch of philological science which treats of the history of words, tracing out their origin, primitive significance, and changes of …
pl.
Etymologies ((-jĭz))
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1.
That branch of philological science which treats of the history of words, tracing out their origin, primitive significance, and changes of form and meaning.
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2.
That part of grammar which relates to the changes in the form of the words in a language; inflection.