坚木

堅木
jiānmù

hardwood

Wiktionary

Entry Composition

1 坚 jiān
  1. strong
  2. solid
  3. firm
  4. unyielding
  5. resolute
=2 木 Mù surname Mu
=2 木 mù
  1. (bound form) tree
  2. (bound form) wood
  3. unresponsive; numb; wooden