Espy (verb)

1. To catch sight of something.
2. To discover or notice something.

Origin:

The word "espy" comes from the middle english word "espien" which means "to observe", it refers to the act of catching sight of something.

Examples:

1. He espied a deer in the distance and quickly raised his binoculars.
2. She espied a mistake in the document and quickly pointed it out.
3. I espied a rainbow after the rain and felt my heart fill with joy.
4. He espied his friend across the crowded room and waved to get his attention.
5. She espied an opportunity to improve her company's financial performance and took it.