Ideographic: A midwife 殳 to helping a pregnant woman 㐆; 㐆 also provides the pronunciationRadical:

meaning for yān:

  • - dark red

meaning for yīn:

  • - flourishing
  • - abundant
  • - earnest
  • - hospitable
  • - surname Yin
  • - dynasty name at the end the Shang dynasty, after their move to Yinxu 殷墟 in modern Henan province

meaning for yǐn:

  • - roll of thunder