I’m studying to get my master’s degree while working part time.
The discipline of a samurai. You need this in order to complete your master's degree. It's hard to get one of those things, and even though samurais didn't really get master's degrees all too much, they had the discipline for it.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.