not so much as (～でさえない): He didn’t so much as say goodbye. (彼はさよならとさえ言わなかった) - 試験に出る! 英単語検索辞書

not so much as (～でさえない): He didn’t so much as say goodbye. (彼はさよならとさえ言わなかった)

He didn’t so much as say goodbye.