"P A Athe 3 M" does not have a universally recognized meaning. It could be a typo or abbreviation specific to a certain context or language. Without more information, it is unclear what it stands for.
MPEG Audio Layer 3
ElectroMagneticPulse
M stand for Maumoon and D stand for Dhanjassaa and P stand for Party (Maumoon Dhanjassaa Party)
4 Phases of the Moon
POEM
24 - 2001 Day 3 300 p-m--400 p-m- 3-3 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)
The P stands for Post and the M stand for Meridian.From the Latin, Post means after, and Meridian means midday (noon).So the abbreviation PM as it pertains to time stand for after-midday or afternoon.
24 - 2001 Day 3 100 p-m--200 p-m- 3-1 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)
24 - 2001 Day 3 1000 p-m--1100 p-m- 3-10 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)
24 - 2001 Day 3 700 p-m--800 p-m- 3-7 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)
24 - 2001 Day 3 800 p-m--900 p-m- 3-8 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)
24 - 2001 Day 3 900 p-m--1000 p-m- 3-9 is rated/received certificates of: Netherlands:12 Portugal:M/12 (DVD rating)