From yabal; produce, i.e. A crop or (figuratively) wealth -- fruit, increase.
see HEBREW yabal
H2981. yebul
יְבוּל noun masculineJob 20:28 produce of soil; — absolute ׳י Habakkuk 3:17; construct id. Judges 6:4; Job 20:28; suffix יְבוּלָהּ Deuteronomy 11:17 7t.; יְבֻלָהּ 32:22; יְבוּלָםPsalm 78:46; — produce: ׳י הָאָרֶץ Judges 6:4; וִיבֻלָהּ אֶרֶץ Deuteronomy 32:22; יְבוּלָהּ כָּֽלְאָה וְהָאָרֶץ Haggai 1:10; suffix Psalm 78:46 ("" יְגִיעַ); especially יְבוּלָהּ הָאָרֶץ וְנָתְנָה Leviticus 26:4 the land shall yield its produce, so 26:20; Ezekiel 34:27; Zechariah 8:2 (all "" מְּרִי), Psalm 67:7; 85:13; also, subject הָאֲדָמָה Deuteronomy 11:17; of grapes only בַּגְּפָנִים יְבוּל וְאֵין Habakkuk 3:17 ("" לֹאתִֿפְרָח תְּאֵנָה and זַיִת מַעֲשֵׂהֿ כִּחֵשׁ); more Generally בֵּיתוֺ יְבוּל Job 20:28 the produce (acquired possessions) of his house.