Meaning of the Sanskrit Word: jahasa

  jahāsa—smiled    SB 1.8.44, SB 10.9.7
  jahāsa—he laughed    SB 3.18.2, SB 6.17.4-5
  jahāsa—laughed    SB 6.6.43, SB 7.5.6

Can't find any compound Sanskrit words containing jahasa.