杜: Du Kang, Du Fu. The character "Du" refers to the sweet pear tree, as stated in the "Shuowen Jiezi" dictionary: "The male is called 'Tang', and the female is called 'Du'."
墨: Ink and treasured calligraphy. The written word holds great value, fostering respect from others and nurturing a harmonious family.
Meaning: Solid and steady with a touch of scholarly brilliance.