Strong's G4287 — προθέσμιος (noun)
prothesmios (proth-es'-mee-os) n.
1. fixed beforehand, i.e.  a designated day
{feminine with G2250 implied}
[from G4253 and a derivative of G5087]
KJV: time appointed 
Root(s): G4253, G5087 
See also: G2250 
Hebrew root: τίθημι
Occurrences: 1