Definition of well-bottomed in English:

well-bottomed

adjective

rare
  • Having a good foundation, firmly based; (of a person or character) steadfast.

Origin

Early 17th century; earliest use found in John Preston (1587–1628), Church of England clergyman. From well + bottomed.

Pronunciation

well-bottomed

/ˌwɛlˈbɒtəmd/