ETD means: estimated delivery time or estimated death time.

ETA refers to the estimated time of arrival in Hong Kong.

Eta is the abbreviation of Basque language "Euskara ta Askatasuna-eta". ETA, founded in 1959, is a Spanish separatist terrorist organization that advocates violence.

The organization advocates the establishment of independent countries in the Basque region of northern Spain and the Basque region of southern France, but it is opposed by Spain and France. For decades, the organization has created countless assassinations, kidnappings and explosions, and announced its dissolution in May 20 18.