もうすぐ、トムの貯金が底を突く。

very soon

to be rich; to become rich; to be abundant (with); to abound (with); to be rich (in)

indicates possessive; nominalizes verbs and adjectives; substitutes for "ga" in subordinate phrases; (at sentence-end, falling tone) indicates a confident conclusion; (at sentence-end) indicates emotional emphasis; (at sentence-end, rising tone) indicates question

putting money aside; savings; deposit (e.g. in a bank); accumulated surplus of wins; wins in the bank

indicates sentence subject (occasionally object); indicates possessive (esp. in literary expressions); but; however; still; and

bottom; sole

indicates direct object of action; indicates subject of causative expression; indicates an area traversed; indicates time (period) over which action takes place; indicates point of departure or separation of action; indicates object of desire, like, hate, etc.

to prick; to stab; to poke; to prod; to push; to thrust; to nudge; to hit; to strike; to use (a cane); to prop oneself up with; to press against (the floor, etc.); to attack; to brave (the rain, etc.)