eta

noun ! Definition from WordNet 3.1, Princeton University. Pronunciation from Wiktionary, via Kaikki.org. More about eta at Wordnik → Where our words come from →

1. A terrorist organization organized in 1959 by student activists who were dissatisfied with the moderate nationalism of the traditional Basque party; want to create an independent homeland in Spain's western Pyrenees.

   in 1968 ETA launched a campaign of political assassinations of government officials

2. The 7th letter of the Greek alphabet.