וְשֵׁ֤ם הָאִישׁ֙ נָבָ֔ל וְשֵׁ֥ם אִשְׁתּ֖וֹ אֲבִגָ֑יִל וְהָאִשָּׁ֤ה טֽוֹבַת־שֶׂ֙כֶל֙ וִ֣יפַת תֹּ֔אַר וְהָאִ֥ישׁ קָשֶׁ֛ה וְרַ֥ע מַעֲלָלִ֖ים וְה֥וּא כלבו [כָלִבִּֽי׃]
Rashi on I Samuel
A Calebite. Of the house of Caleiv.2Or, his evil nature was similar to that of a dog [= כֶּלֶב]; i.e., he was stingy and refused to share his food with others.—Ralbag