This is the 10328th most frequent Japanese word.
養っ
"養っ" means "to cultivate," "to nurture," or "to support."
In this sentence, "養う" refers to providing for and taking care of the family financially and emotionally.
家族を養うために一生懸命働きます。
I work hard to support my family.
Here, "養う" is used to mean fostering or nurturing a feeling or quality.
植物を育てて自然への愛を養った。
I cultivated plants and nurtured a love for nature.
In this usage, "養う" implies the enhancement or development of knowledge or skills.