Where does “stratum” come from?

stratum (Dutch) comes from Dutch straat, from Middle Dutch strate, from Old Dutch strāta, from Proto-West Germanic strātu, from Latin strāta, from Latin strātus, from Latin sternō, from Proto-Italic stornō — sterile, infertile.

Ancestry of “stratum”, step by step

stratum traces back through 3 separate lines of ancestry.

via Dutch straat

StepLanguageWordMeaning
1Dutchstraatstreet, paved way; channel, strait
2Middle Dutchstratestreet, paved road
3Old Dutchstrātastreet, paved road
4Proto-West Germanicstrātustreet, paved road
5Latinstrātaa paved road
6Latinstrātus
7Latinsternōto spread, stretch out, spread out
8Proto-Italicstornō
9Proto-Indo-Europeanstr̥-n-h₃-
10Proto-Indo-Europeansterh₃-to spread, extend, stretch out
11Proto-Indo-Europeanster-sterile, infertile

via Dutch heem

StepLanguageWordMeaning
1Dutchheemhouse, home; yard
2Middle Dutchhêemhome place
3Old Dutchhēmhome, place
4Proto-West Germanichaimhome
5Proto-Germanichaimazhome; house; village
6Proto-Indo-Europeanḱóymosof the home, belonging to the family; village,...
7Proto-Indo-Europeanḱey-to be lying down; to settle

via Latin strātum

StepLanguageWordMeaning
1Latinstrātuma bed-covering, coverlet, quilt, blanket
2Ancient Greekσφαῖραball, globe, sphere
3Ancient Greek-ειδήςlike, connected to, from the nature of, full of;...
4Ancient Greek-ήςadjective suffix
5Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
6Proto-Indo-European-ess
7Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European ster-