>>748
That jukugo is an example of those exceptions where it's a kun+kun jukugo.
all text, unless written in a traditional vertical orientation is read left to right.
For kunyomi, the asterisk indicates what hiragana come after the kanji, and what hiragana are shown AS the kanji. Anything BEFORE the asterisk will just be the kanji, anything after it is the okurigana.
うめる
埋める
う＊める
Schultz gives you jukugo examples to give you vocab words. It's for seeing Kanji's onyomi in action.
Lastly, I'll spin my own interpretation about 埋め合わせ but I advise you to not think THAT deeply about why certain kanji make up a compound, again, it will just make your head hurt.
合う,holds more meanings than just "to suit something" it also means "coming together" "merging" the majority of the time.
埋める, bury.
埋め合わせ, to compensate, to make amends.
You bury what happened in the past, any ill actions or misconduct and seek to make amends and reconnect together the relationship again.
Now, my interpretation could be completely fucking off of what a native kanji expert would say, but it really doesn't matter. What matters is how YOU understand the meaning of kanji and burn it into your brain. If it doesn't make sense on the surface, than you make it make sense.