1419400 jmdict A [id=2158207]
弾む[ichi1,news2,nf25]；勢む[rK]
はずむ[ichi1,news2,nf25]
[1][v5m,vi]
  to spring; to bound; to bounce
[2][v5m,vi]
  to be stimulated; to be encouraged; to get lively
[3][v5m,vt]
  to pay handsomely; to splurge; to part eagerly with (money, etc.)
[4][v5m,vi]
  to breathe hard; to pant; to be out of breath
  [see=2836411・息が弾む・いきがはずむ[1]]