Understanding Pogonotomy

The question asks for the meaning of the word pogonotomy.

Let's break down the word pogonotomy to understand its meaning. The term comes from Greek roots:

• 'pogono-' relates to the beard.
• '-tomy' relates to cutting or incision (as seen in words like anatomy, appendectomy).

Combining these roots, pogonotomy refers to the act of cutting or trimming the beard.

Defining Pogonotomy

Based on its etymology and common usage, pogonotomy is the practice or act of shaving the beard.

Evaluating the Options

Let's look at the given options:

1. Collecting pogo sticks: This is unrelated to the word parts 'pogono-' or '-tomy'.
2. Shaving: This aligns perfectly with the meaning of cutting or trimming a beard.
3. Brain operation: This would involve the brain and a surgical cutting ('-tomy'), but not 'pogono-' (beard). Terms like craniotomy or lobotomy relate to brain operations.
4. Practice of child sacrifice: This is completely unrelated to the roots 'pogono-' or '-tomy' and has no connection to the act of shaving.

Therefore, the correct meaning of pogonotomy is shaving, specifically the shaving of a beard.