せっさ
Meanings
Noun
Verb (する)
1. working hard; applying oneself; cultivating one's character (through hard work or study)
2. polishing (stones)
orig. meaning
Pitch accent
っさ
Used in vocabulary (1 in total)
diligent application (to work or study); cultivating one's character by studying hard; mutual encouragement (to improve); working hard together; friendly rivalry