Answer
This compound is "-endiyn-"
Work Step by Step
1. Identify the double and triple bonds:
This structure has one double bond and two triple bonds.
2. Find how to describe this insaturation:
A structure with one double bond is represented by "-en-", and a structure with one triple bond is represented by "-yn-".
But, since there are two triple bonds, they will be represented by "diyn."
Therefore, this compund is "-endiyn-".