What is the full form of word hockey?

There isn't a full form for the word "hockey." It's believed to have originated from the French word "hoquet," which referred to a shepherd's crook used to herd sheep.

While the exact origin is uncertain, "hockey" has evolved to describe various sports played with a stick and a ball or puck, including:

* Ice Hockey: Played on ice with a puck and two teams of six players each.

* Field Hockey: Played on a field with a ball and two teams of eleven players each.

* Roller Hockey: Played on a roller rink with a puck and two teams of five players each.

So, while "hockey" doesn't have a specific full form, it's a term that encompasses a variety of exciting sports.