ETAalso: イーティーエーFreq.FrequencyTop 50,000Meanings1nounETA; estimated time of arrivalUsed in logistics, travel, and project management contexts. The acronym is the same as in English.See also: ETD飛ひ行こう機きのETAは午ご後ご3時じです。The plane's ETA is 3 p.m.