H3788–כִּשְׁרוֹן–kish.ron

For there is a man whose labour `is' in wisdom, and in knowledge, and in equity, and to a man who hath not laboured therein he giveth it -- his portion! Even this `is' vanity and a great evil.

וּבְכִשְׁר֑וֹן (כִשְׁר֑וֹן) khish.Ron “skill”

And I have seen all the labour, and all the benefit of the work, because for it a man is the envy of his neighbour. Even this `is' vanity and vexation of spirit.

כִּשְׁר֣וֹן kish.Ron “[the] skill of”

In the multiplying of good have its consumers been multiplied, and what benefit `is' to its possessor except the sight of his eyes?

כִּשְׁרוֹן֙ kish.rOn “profit”