Where does “tosproget” come from?

tosproget (Danish) comes from Danish sprog, from Middle Low German sprāke, from Old Saxon sprāka, from Proto-West Germanic *sprāku — speech, language.

tosproget (Danish): bilingual, especially natively so

Definitions

bilingual, especially natively so

Ancestry of “tosproget”, step by step

tosproget traces back through two separate lines of ancestry.

via Danish sprog

Step	Language	Word	Meaning
1	Danish	sprog	language
2	Middle Low German	sprāke	—
3	Old Saxon	sprāka	speech
4	Proto-West Germanic	*sprāku	speech, language

via Danish tø

Step	Language	Word	Meaning
1	Danish	tø	to thaw, melt; thaw, a warmth of weather
2	Old Norse	tveir	two
3	Proto-Germanic	twai	two
4	Proto-Indo-European	dwóh₁	two

Every word from Proto-West Germanic *sprāku →Every word from Old Saxon sprāka →Every word from Middle Low German sprāke →