Where does “laageri” come from?

laageri (Ingrian) comes from Russian ла́герь, from German lager, from Middle High German leger, from Old High German legar, from Old Norse legr, from Proto-Germanic legrą, from Proto-Indo-European legʰ- — to lie.

laageri (Ingrian): camp, encampment

Definitions

camp, encampment

Ancestry of “laageri”, step by step

Step	Language	Word	Meaning
1	Russian	ла́герь	camp, camp-out
2	German	lager	first-person singular present of lagern; singular...
3	Middle High German	leger	—
4	Old High German	legar	—
5	Old Norse	legr	—
6	Proto-Germanic	legrą	a lying, a place where one lies; camp
7	Proto-Indo-European	legʰ-	to lie

Every word from Proto-Indo-European legʰ- →Every word from Proto-Germanic legrą →Every word from Old Norse legr →