noun
the wherewithal; means; the money needed
Refers to the financial resources or practical means required to do something. Often used in the context of needing money before taking action.
旅行に行くには、まず先立つ物が必要だ。
To go on a trip, you first need the wherewithal.
資金 is a more formal and general term for 'funds' or 'capital', while 先立つ物 is a colloquial set phrase emphasizing the money needed before starting something.
From 先立つ (sakidatsu, 'to precede, to go before') + 物 (mono, 'thing'), literally 'the thing that goes before', referring to money as a prerequisite.