惜

Kanji: 惜
Level: N3
Meaning: pity, be frugal, dear
On'yomi: セキ
Kun'yomi: おし.む, おし.い
Strokes: 11
Common compounds: 惜しむ (おしむ, to value, to regret), 惜しい (おしい, regrettable)
Memory hook: A heart full of regret when an old opportunity passes.