I spent most of my money in the first week and consequently had very little to eat by the end of the holiday.

consequently 是由 consequent（作为结果的）加上副词后缀 -ly 构成的副词。consequent 来自拉丁语 consequi（跟随），其中 con- 表示"一起"，sequi 表示"跟随"。这个词表示"因此、所以"，用来引出前因导致的必然结果。