וַיְהִ֣י יַעְבֵּ֔ץ נִכְבָּ֖ד מֵאֶחָ֑יו וְאִמּ֗וֹ קָרְאָ֨ה שְׁמ֤וֹ יַעְבֵּץ֙ לֵאמֹ֔ר כִּ֥י יָלַ֖דְתִּי בְּעֹֽצֶב׃
And Jabez was more honourable than his brethren; and his mother called his name Jabez, saying: ‘Because I bore him with pain.’
Read Kabbalistic (mystical) interpretations of I Chronicles 4:9: Zohar and classical Jewish mystical sources, free online.