Depot posting: Abbr (3)
I believe the answer is:
eta
(Other definitions for eta that I've seen before include "Letter of Greek alphabet" , "When one is due" , "Arrival roughly indicated" , "Seventh Greek letter" , "Militants" .)
I believe the answer is:
eta
(Other definitions for eta that I've seen before include "Letter of Greek alphabet" , "When one is due" , "Arrival roughly indicated" , "Seventh Greek letter" , "Militants" .)