midway
In the middle between the beginning and the end.
Midway means halfway between two points or in the middle of something. If you're walking from your house to school and stop midway, you're right in the middle of the journey, with equal distance left to go. If someone interrupts you midway through explaining something, they've cut you off when you're only half finished.
A runner might feel strong at the start of a race but get tired midway through. A book's plot twist often comes midway through the story, when you're invested but still have half the pages to go.
Midway can describe physical location or progress through time. Picture a rope stretched between two trees: the midway point is where the rope would balance perfectly if you tried to fold it in half. Similarly, midway through summer vacation, you've enjoyed half your break but still have half remaining.
Midway can also be a noun. It refers to the area at a fair or carnival where games and attractions are located, since these entertainment areas traditionally formed a path or “way” through the middle of the fairgrounds.