Meaning of 健気 in Japanese

Definition of 健気

けなげ(kenage) 【健気】

(adj-na, n) brave; gallant; courage; manly; heroic; praiseworthy; industrious; pure; lovable

兄あにが急逝きゅうせいしたするのは２年ねん前まえ、義姉は一人兄あにの遺した小さなちいさな宝飾店てんを健気に守ってきたくる。

Since my brother died suddenly two years ago, my sister-in-law has valiantly kept going the small jewellery store he left her.