hiraeth
A feeling of homesickness, longing or yearning for something comfortable or familiar, especially in a Welsh context.
rare, uncountable
So this hiraeth is good in some sense , although you feel the evil of it perhaps the moment that I am writing this.
Where it comes from
Borrowed from Welsh hiraeth (“longing, nostalgia”).
Adapted from the Wiktionary entry hiraeth (CC BY-SA 4.0).