Where does “roun” come from?

Roun derives from Old English rūnian, from Old English rūn, from Proto-Germanic rūnō, from Proto-Indo-European krek-, ker-, and rewH-, originally meaning to make a sound or cry.

roun (English): A secret or mystery; A mysterious or sacred...

Definitions

A secret or mystery; A mysterious or sacred...

Ancestry of “roun”, step by step

roun traces back through two separate lines of ancestry.

via Middle English roune

Step	Language	Word	Meaning
1	Middle English	roune	A secret or mystery; concealed knowledge
2	Old English	rūn	letter, rune; whisper, secret, mystery; secret,...
3	Proto-West Germanic	rūnu	secret, mystery; rune, letter
4	Proto-Germanic	rūnō	secret, mystery; rune
5	Proto-Celtic	rūnā	secret, mystery

via Old English rūnian

Step	Language	Word	Meaning
1	Old English	rūnian	to whisper, talk low, talk secrets, consipre,...
2	Frankish	rūnōn	to whisper; to whisper, round
3	Proto-Germanic	rūnōną	to talk secrets, whisper, decide
4	Proto-Indo-European	(e)rewə-	—

Every word from Proto-Celtic rūnā →Every word from Proto-Germanic rūnō →Every word from Proto-West Germanic rūnu →