IPA: //ˈeɪd.mən//
KK: /ˈeɪdˌmæn/
A person who is part of a military medical team and provides medical assistance in the field.
The aidman quickly provided medical assistance to the injured soldiers on the battlefield.
The word 'aidman' is formed from 'aid' (from Old English 'āidan', meaning to help or assist) and 'man' (from Old English 'mann', meaning a person or human). An aidman is a person who provides assistance or help, particularly in a medical or emergency context.
Think of someone who 'helps' ('aid') others, and remember that an 'aidman' is a person who assists.