eh, ni-; pa-, caus.
to move
rapidly
across
a
line
of
sight; to flash
by; to quickly
wave or swing in one direction.
This stem is often reduplicated.
The thing [which was] shown to him, just went across his line of sight in front of his eyes.
Their flags are waved by them so that [it can] be known [that] they are over there.
They waved their flags so that it would be known that they were over there.