Lexical Definition

‎כִּשְׁרוֹן‎ kishrôwn (kish-rone') skill ^H:N-M
from ‎כָּשֵׁר‎

equity, good, right.

• success, advantage

1) success, skill, profit
1a) skill
1b) success, profit

Brown-Driver-Briggs

‎כִּשְׁרוֺן‎ noun [masculine] skill, success; —

1. skill, ‎בְּחָכְמָה וּבְדַעַת וּבְכִשְׁר֑וֺן‎ Eccl 2:21 construct ‎כָּלכִּֿשְׁרוֺן‎ ‎הַמַּעֲשֶׂה‎ Eccl 4:4 all skill of work = skilful work.

2. success, profit, ‎וּמַהכִּֿשְׁרוֺן לִבְעָלָיהָ‎ Eccl 5:10* and what profit have the owners of it ?

Brown-Driver-Briggs References