etymological

/ˌɛtɪməˈlɑdʒɪkəl/
adjective
  1. Relating to the origin and historical development of words.
    • An etymological study can reveal how meanings of words have changed over centuries.
    • The etymological dictionary traces the word 'telephone' back to Greek roots.
    • She enjoys learning the etymological connections between English and Latin.
Synonyms
What does "etymological" mean? | whatsthatwordmean | whatsthatwordmean