1. (

• Basque_Homeland_and_Freedom ,
• Basque_Fatherland_and_Liberty ,
• Euskadi_ta_Askatasuna ,
• ETA

) 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. (

• eta

) the 7th letter of the Greek alphabet ;