Arrival time? (5)
I believe the answer is:
birth
(Other definitions for birth that I've seen before include "Beginning; ancestry" , "Starting point" , "origin" , "Nacence" , "Parentage" .)
I believe the answer is:
birth
(Other definitions for birth that I've seen before include "Beginning; ancestry" , "Starting point" , "origin" , "Nacence" , "Parentage" .)