استخلفهُ

1.
2.
Also He took it (a thing) as a substitute, or in exchange, for another thing; or in the place of another thing; synonym اِسْتَعْوَضَهُ and اِسْتَبْدَلَهُ. (TA.)
3.
استخلفتِ الأَرْضُ The land produced the herbage of the [season called] اِسْتَبْدَلَهُ. (TA.)
4.
See also 1, in the middle of the latter half of the paragraph, in two places.

Perseus ID: n11346