Where does “strātum” come from?

strātum (Latin) comes from Ancient Greek σφαῖρα, from Ancient Greek -ειδής, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

strātum (Latin): a bed-covering, coverlet, quilt, blanket

Definitions

a bed-covering, coverlet, quilt, blanket

Ancestry of “strātum”, step by step

strātum traces back through 3 separate lines of ancestry.

via Ancient Greek σφαῖρα

Step	Language	Word	Meaning
1	Ancient Greek	σφαῖρα	ball, globe, sphere
2	Ancient Greek	-ειδής	like, connected to, from the nature of, full of;...
3	Ancient Greek	-ής	adjective suffix
4	Proto-Indo-European	-ēs	Primarily forms adjectival bahuvrīhi compounds
5	Proto-Indo-European	-ess	—
6	Proto-Indo-European	-os	Creates action nouns or result nouns from verbs;...

via Latin sternō

Step	Language	Word	Meaning
1	Latin	sternō	to spread, stretch out, spread out
2	Proto-Italic	stornō	—
3	Proto-Indo-European	str̥-n-h₃-	—
4	Proto-Indo-European	sterh₃-	to spread, extend, stretch out
5	Proto-Indo-European	ster-	sterile, infertile

via Latin substernere

Step	Language	Word	Meaning
1	Latin	substernere	second-person singular future passive indicative...

Words derived from “strātum”

Every word from Proto-Indo-European -os →Every word from Ancient Greek -ειδής →Every word from Ancient Greek σφαῖρα →