Al-Mursalaat • BN-TAFSEER-IBN-E-KASEER
﴿ فَجَعَلْنَٰهُ فِى قَرَارٍۢ مَّكِينٍ ﴾
“which We then let remain in [the womb's] firm keeping”
Please check ayah 77:28 for complete tafsir.