One verse

Srimad Bhagavatam 11.1.22

11.1.22

कश्चिन्मत्स्योऽग्रसील्ल‍ोहं चूर्णानि तरलैस्तत: । उह्यमानानि वेलायां लग्नान्यासन् किलैरका: ॥ २२ ॥

kaścin matsyo ’grasīl lohaṁ cūrṇāni taralais tataḥ uhyamānāni velāyāṁ lagnāny āsan kilairakāḥ

kaścit
a certain
matsyaḥ
fish
agrasīt
swallowed
loham
the iron
cūrṇāni
the bits of powder
taralaiḥ
by the waves
tataḥ
from that place
uhyamānāni
being carried
velāyām
on the shore
lagnāni
becoming stuck
āsan
they became
kila
indeed
erakāḥ
a particular species of grass with long, sharp-edged blades

A certain fish swallowed the iron lump, and the bits of iron, carried back to the shore by the waves, implanted themselves there and grew into tall, sharp canes.