Meaning of the Sanskrit Word: samadhaya

  samādhāya—fixed in    Bg 17.11
  samādhāya—fixing firmly    SB 6.11.21
  samādhāya—controlling    SB 6.16.33
  samādhāya—for concentration    SB 8.3.1
  samādhāya—keeping full attention    SB 8.17.2-3

Can't find any compound Sanskrit words containing samadhaya.