proper time

11 LETTERS · STARTS WITH P

proper time is a valid 11-letter word worth 16 points in Scrabble and 19 points in Words with Friends.

SCRABBLE WORDS WITH FRIENDS

P3R1O1P3E1R1T1I1M3E1

3 + 1 + 1 + 3 + 1 + 1 + 0 + 1 + 1 + 3 + 1 =16 PTS

DOUBLE WORD → 32TRIPLE WORD → 48

MEANING

What does proper time mean?