Defining a definition definitely and definitively depends upon the day you do the defining

Defining a definition definitely and definitively depends upon the day you do the defining

A henchman was a servant, one who stood ready at your haunch. You can see the way this will have evolved. A trophy was a monument placed where a foe was vanquished, with their ensigns, armour or other accoutrements hanging on it. Again, you can see the route to the modern meaning.