MacBain's Dictionary The online version of An Etymological Dictionary of
the Gaelic Language (1911).
Keyed in by Caoimhín P. Ó Donnaíle,
HTML version by John T. McCranie. [eng]
OED Online Presents a word a day complete with pronunciation, spellings, etymology, quotations and date chart. [eng]
Focusing on Words An advanced Latin-Greek-English vocabulary source of etymologies with thematic units of roots, prefixes, and suffixes, and vocabulary quizzes. [eng]
The Afroasiatic Index Project The Afroasiatic Index Project is a scholarly initiative that aims at creating an etymological database of Afroasiatic languages.
[eng]
Butterfly Entomology The etymology of butterfly, moth and caterpillar in several languages. [eng]