Given the following paragraph about a laptops, why are laptops called "laptop"?

The names "laptop" and "notebook" refer to the fact that the computer can be practically placed on (or on top of) the user's lap and can be used similarly to a notebook. As of 2022, in American English, the terms "laptop" and "notebook" are used interchangeably;[4] in other dialects of English, one or the other may be preferred. Although the term "notebook" originally referred to a specific size of laptop (originally smaller and lighter than mainstream laptops of the time),[5] the term has come to mean the same thing and no longer refers to any specific size.

Laptops are called "laptop" because the computer can be practically placed on the user's lap .