心得

こころえ

knowledge (of a skill, art, etc.)

N1 #12,733

Also a form of

Meanings

  1. noun knowledge (of a skill, art, etc.); proficiency; understanding; command; experience
  2. essentials; know-how; guidelines; rules; basics; precautions; directions
  3. preparedness; readiness; mental attitude; frame of mind
  4. suffix, after a post or position deputy; acting

Its kanji