Where does “instratus” come from?

instratus (Latin) comes from Latin insterno, from Latin sternō, from Proto-Italic stornō, from Proto-Indo-European str̥-n-h₃-, from Proto-Indo-European sterh₃-, from Proto-Indo-European ster- — sterile, infertile.

instratus (Latin): covered

Definitions

covered

Ancestry of “instratus”, step by step

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

Every word from Proto-Indo-European ster- →Every word from Proto-Indo-European sterh₃- →Every word from Proto-Indo-European str̥-n-h₃- →