Turn wife on part of foot (5)

I believe the answer is:
wheel
Here is my best explanation:
'turn' is the definition.
(I've seen this before)
'wife on part of foot' is the subsidiary indication.
'wife' becomes 'w'.
'on' says to put letters next to each other.
'part of foot' becomes 'heel' (I've seen this before**).
'w'+'heel'='wheel'
(Other definitions for wheel that I've seen before include "- - of Fortune", "Cog", "Circular frame on axle", "Change direction as if on an axis", "Move in a circle", "Potters throw on it", "Circular frame - old instrument of torture", "Rotary object - don't reinvent it", "Gyrate" and "The first technological invention?".)

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