abidingly
adv. C1 Advanced abid·ing·ly
adv. in a way that lasts for a very long time. You use this to describe feelings or memories that stay with you forever.
adv. in a manner that is enduring or lasting over a long period of time.
The memory of that summer remains abidingly with me.
The two friends shared an abidingly deep respect for each other, even after they moved to different countries.
While the initial shock of the news faded quickly, the underlying sense of loss remained abidingly present in the family's daily lives for years.
From abiding + -ly.