埃塔 Traditional form: 埃塔 Pinyin (reading): Aītǎ Definitions: ETA (Euskadi Ta Askatasuna or Basque homeland and freedom), Basque armed separatist group Characters: 埃 - fine dust; dirt; Angstrom 塔 - tower, spire, tall building Traditional characters: 埃 - fine dust; dirt; Angstrom 塔 - tower, spire, tall building