spect: derived from Latin "specere", meaning "look"
So respect means:
Look at somebody again and again.
This means "a feeling of admiring someone".
Look to the first direction, and again to the second, and again to the third...
This means "referring to every direction, aspect, or person".
Evolution of usage
This little boy looks at his hero again and again.
This little boy respects his hero.
You all, who need to be looked from the first direction, and again from the second, and again from the third..., need to write a report to me.
You all, from all respects, need to write a report to me.