etymon vs primitive

etymon

noun
  • Meaning as derived and conveyed thereby: The literal meaning of a term according to its origin, which may differ from its usual meaning when the latter relies on idiomatic conventions that are not conveyed by the term alone (that is, they must be known in other ways, such as experience, training, education, or dictionary lookup). 

  • The original or earlier form of an inherited or borrowed word, affix, or morpheme either from an earlier period in a language's development, from an ancestral language, or from a foreign language. 

primitive

noun
  • An original or primary word; a word not derived from another, as opposed to derivative. 

  • A simple-minded person. 

  • A data type that is built into the programming language, as opposed to more complex structures. 

  • A basic geometric shape from which more complex shapes can be constructed. 

  • Any of the simplest elements (instructions, statements, etc.) available in a programming language. 

  • A member of a primitive society. 

  • A function whose derivative is a given function; an antiderivative. 

adj
  • Of or pertaining to or harking back to a former time; old-fashioned; characterized by simplicity. 

  • Occurring in or characteristic of an early stage of development or evolution. 

  • Crude, obsolete. 

  • Not derived from another of the same type 

  • Original; primary; radical; not derived. 

  • Of or pertaining to the beginning or origin, or to early times; original; primordial; primeval; first. 

How often have the words etymon and primitive occurred in a corpus of books? (source: Google Ngram Viewer )