hovering

English Wikipedia has an article on:

Hoverboard

Wikipedia

hovering

1. present participle and gerund of hover

hovering (countable and uncountable, plural hoverings)

1. The act of one who hovers.
   • 1900, Henry James, The Soft Side The Third Person Chapter 3

     Their visitor was an issue - at least to the imagination, and they arrived finally, under provocation, at intensities of flutter in which they felt themselves so compromised by his hoverings that they could only consider with relief the fact of nobody's knowing.

• overnigh