eyay verb
Literally, "his heart is bad", from eyay "his heart" and wellich (welliich) "is bad, ugly"
Inflected on the eyay: meyay wellich "You feel bad", literally "your heart is bad".
Presumably can encompass a wide range of negative emotions from sadness to remorse, regret, guilt, sorrow, grief, etc.
Not a true equivalent for "I'm sorry", but could potentially be used to describe one's feelings while expressing regret.
Also defined as "feels faint" in Barona dictionary, in addition to aforementioned meanings.