• 滋養じよう — nourishment / nutrition
• 滋味じみ — rich flavor / nourishing taste
• 滋賀県しがけん — Shiga Prefecture
• 滋育じいく — educational nourishment / development

滋 is composed of the さんずい (氵) related to water, and 茲 which contributes sound and meaning. It conveys the idea of richness and increase — much like water helping things grow. It’s common in words related to nourishment or fertile development.

この料理りょうりは 滋味じみに富とんでいます。
This dish is full of rich, nourishing flavor.

彼女かのじょは 滋養じようのある食品しょくひんを好このんで食たべます。
She prefers to eat nutritious foods.

🎧 The on-yomi ジ is standard, especially in compound words like 滋養 and 滋味. This kanji has no commonly used kun-yomi.