蓄える
たくわえる · takuwaeru · JLPT N2 · verb-ichidan
to save
🐿️ Sounds like tuck away: takuwaeru, so tuck it away to save it for later
Squirrels stash nuts all autumn to eat in winter, which is exactly what 蓄える means: lay in a stock now and use it later. Say tuck away to remember it.