こぼれ種だね

noun

self-sown seed; volunteer plant

Refers to seeds that fall naturally and germinate without human planting, or the resulting seedlings. Common in gardening contexts.

• 庭にわにこぼれ種だねから芽めが出でた。

  A sprout came up in the garden from a self-sown seed.

noun

illegitimate child

Euphemistic or old-fashioned term for a child born out of wedlock, especially one fathered by a master with a servant. Rare in modern usage.

• 昔むかしの小しょう説せつでは、こぼれ種だねという言こと葉ばが使つかわれることがある。

  In old novels, the word こぼれ種 is sometimes used.