whier is a form of:

Overboard



adjective
1.
ដែលធ្លាក់ទៅក្នុងទឹកពីនាវា
adverb
1.
(over the side of a ship or boat and into the water) ពីនាវាទៅក្នុងទឹក
ENGLISH MEANING
adverb
1.
Over the side of a ship; hence, from on board of a ship, into the water; as, to fall overboard.