H3788–כִּשְׁרוֹן–kish.ron

For there is a man whose labour is with wisdom, and with knowledge, and with skill; yet to a man that hath not laboured therein shall he leave it for his portion. This also is vanity and a great evil.

וּבְכִשְׁר֑וֹן (כִשְׁר֑וֹן) khish.Ron “skill”

Again, I considered all labour and all excelling in work, that it is a man's rivalry with his neighbour. This also is vanity and a striving after wind.

כִּשְׁר֣וֹן kish.Ron “[the] skill of”

When goods increase, they are increased that eat them; and what advantage is there to the owner thereof, saving the beholding of them with his eyes?

כִּשְׁרוֹן֙ kish.rOn “profit”