King James Version (KJV)
And he smote them from Aroer, even till thou come to Minnith, {even} twenty cities, and unto the plain of the vineyards, with a very great slaughter. Thus the children of Ammon were subdued before the children of Israel. {the plain: or, Abel}
Modern English
He struck them from Aroer until you come to Minnith, even twenty cities, and to Abelcheramim, with a very great slaughter. So the children of Ammon were subdued before the children of Israel.
Hebrew
וַיַּכֵּ֡ם מֵעֲרוֹעֵר֩ וְעַד־בּוֹאֲךָ֨ מִנִּ֜ית עֶשְׂרִ֣ים עִ֗יר וְעַד֙ אָבֵ֣ל כְּרָמִ֔ים מַכָּ֖ה גְּדוֹלָ֣ה מְאֹ֑ד וַיִּכָּֽנְעוּ֙ בְּנֵ֣י עַמּ֔וֹן מִפְּנֵ֖י בְּנֵ֥י יִשְׂרָאֵֽל׃
vayakem meʿarvoʿer vʿad-bvoʾaka miniyt ʿeshriym ʿiyr vʿad ʾabel kramiym makah gdvolah mʾod vayikanʿv bney ʿamvon mipney bney yishraʾel