Q.Indoor Ivy
I have some indoor Ivy plants that I have had for 7 or 8 years. All of a sudden, about 3 weeks ago, the biggest most nourished one started to die. The leaves look droopy and are turning yellow one by one. In the pic attached, this plant use to be big and cover the pot. Any help would be most appreciative. Thx!

Yellowing leaves generally indicate a watering issue. Either to much or to little.
Your Philodendron appears to be leggy and is reaching to get light.
You can prune up your plant to give it a healthier appearance.
Here is a link to help you.
https://www.gardeningknowhow.com/houseplants/philodendron/caring-for-philodendrons.htm