Yāska's Nirukta 14.4

14.4

ākāśa gunaḥ śabdah/
ākāśād vāyur dvi gunaḥ sparśena/
āvyor jyotiṣ tri gunam rūpena/
jyotiṣa āpaś catur gunā rasena/
adbhyaḥ pṛthivī pañca gunā gandhena/
pṛthivī ā bhūta grāma sthāvara jaṅgamāh/
tad etad aharyuga sahasram jāgarti/
tasya ante susupsyann aṅgāni pratyāharati/
bhūta grāmāḥ pṛthivīm apiyanti/
āpo jyotiṣam/
jyotiṣ vāyum/vāyur ākāśam/
ākāśo manah/
mano vidyām/
vidyā mahāntam ātmānam/
mahān ātmā pratibhām/
pratibhā prakṛtim/
sā svapiti yuga sahasram rātrih/
tāv etāv ahorātrāv ajasram parivartete/
sa kālas tad etad ahar bhavati/
yuga sahasra paryantam ahar yad brahmano viduh/
rātrim yuga sahasra antām teahorātravido janāh/
iti/