One verse

Srimad Bhagavatam 3.7.22

3.7.22

यमाहुराद्यं पुरुषं सहस्राङ्‌घ्र्‌यूरुबाहुकम् । यत्र विश्व इमे लोका: सविकाशं त आसते ॥ २२ ॥

yam ahur adyam purusam sahasranghry-uru-bahukam yatra visva ime lokah sa-vikasam ta asate

yam
who
ahuh
is called
adyam
original
purusam
incarnation for cosmic manifestation
sahasra
thousand
anghri
legs
uru
thighs
bahukam
hands
yatra
wherein
visvah
the universe
ime
all these
lokah
planes
sa-vikasam
with respective developments
te
all of them
asate
living.

The purusa incarnation lying on the Causal Ocean is called the original purusa in the material creations, and in His virat form, in whom all the planes and their inhabitants live, He has many thousands of legs and hands.