H7475–רַעְיוֹן–ra.yon

And I gave my heart to getting knowledge of wisdom, and of the ways of the foolish. And I saw that this again was desire for wind.

רַעְי֥וֹן ra'.Yon “[is] a striving of”

What does a man get for all his work, and for the weight of care with which he has done his work under the sun?

וּבְרַעְי֖וֹן (רַעְי֖וֹן) ra'.Yon “[the] striving of”

There was no end of all the people, of all those whose head he was, but they who come later will have no delight in him. This again is to no purpose and desire for wind.

וְרַעְי֥וֹן (רַעְי֥וֹן) ra'.Yon “a striving of”