Respuesta :
The word 'unfathomable' means not able to be understood.
to 'fathom' is to think or ponder on something so as to understand it.
to 'fathom' is to think or ponder on something so as to understand it.
Answer:
Unfathomable
Explanation:
recede means to go or move back
subsist means to maintain or support
impede means delay or prevent
