verb
perplex
per-PLEKS/pərˈpleks/
To make someone confused or uncertain.
The tangle of disconnected cables perplexes the young mechanic.

Etymology
The proposed Latin formation would suggest something thoroughly entangled. That image connects intricacy with mental confusion: someone perplexed is caught in uncertainty rather than able to understand clearly.
In context
little minds are in a hurry when the object proves as it commonly does too big for them they run they puzzle confound and perplex themselves
More examples
- Her sudden change of plans perplexes me.
- The unexpected test results perplexed the doctor.
- I'm perplexed by the extra charge on my bill.
Forms
perplex · perplexes · perplexed · perplexing
perplexity noun — A state of confusion or uncertainty.