Meaning of the Sanskrit Word: yatnah

  yatnaḥ—attempt    SB 3.13.15
  yatnaḥ—very much careful.    SB 3.15.21
  yatnaḥ—endeavors    SB 5.19.14
  yatnaḥ—endeavor    SB 8.6.21

Can't find any compound Sanskrit words containing yatnah.