etymologise etymologise /ˌɛθɪməˈlɒdʒɪsaɪz/

verb

1. [British] (linguistics) construct the history of words  ( etymologise [British] , etymologize )
   (linguistics) construct the history of words
   
2. [British] Give the etymology, derivation or suggest an etymology (for a word)  ( etymologise [British] , etymologize )
   give the etymology, derivation or suggest an etymology (for a word)
    The linguist probably etymologized the words incorrectly
   The linguist probably etymologized the words incorrectly
    Although he is not trained in this, his hobby is etymologizing
   Although he is not trained in this, his hobby is etymologizing