commando
noun
[ kəˈmɑːndəʊ ]
• a soldier specially trained for carrying out raids.
• "a commando attack"
Origin:
late 18th century (denoting a militia, originally consisting of Boers in South Africa): from Portuguese (earlier form of comando ), from commandar ‘to command’, from late Latin commandare (see command).
go commando
• wear no underpants.