Where does “oplyse” come from?

oplyse (Danish) comes from Danish lyse, from Old Norse lýsa, from Proto-Germanic liuhsijaną, from Proto-Germanic leuhsaz, from Proto-Indo-European lewk-so-, from Proto-Indo-European lewḱ-, from Proto-Indo-European lewk- — bright; to shine; to see.

oplyse (Danish): to light up, illuminate; to enlighten; to report,...

Definitions

to light up, illuminate; to enlighten; to report,...

Ancestry of “oplyse”, step by step

oplyse traces back through two separate lines of ancestry.

via Danish lyse

Step	Language	Word	Meaning
1	Danish	lyse	to shine; to give out light; to register
2	Old Norse	lýsa	—
3	Proto-Germanic	liuhsijaną	to light, to shine
4	Proto-Germanic	leuhsaz	light, bright
5	Proto-Indo-European	lewk-so-	—
6	Proto-Indo-European	lewḱ-	lynx
7	Proto-Indo-European	lewk-	bright; to shine; to see

via Danish op

Step	Language	Word	Meaning
1	Danish	op	up
2	Old Norse	upp	up
3	Proto-Germanic	upp	up, upwards
4	Proto-Germanic	ub	under
5	Proto-Indo-European	upó	under, below
6	Proto-Indo-European	h₃ewp-	—

Words derived from “oplyse”

oplysning

Every word from Proto-Indo-European lewk- →Every word from Proto-Indo-European lewḱ- →Every word from Proto-Indo-European lewk-so- →