tilbygge (Danish) comes from Danish til, from Old Norse til, from Proto-Germanic til, from Proto-Germanic tilą, from Proto-Indo-European deh₂y-, from Proto-Indo-European deh₂- — to share, divide.
tilbygge (Danish): to add to, build on (add to an existing building)
Definitions
to add to, build on (add to an existing building)
Ancestry of “tilbygge”, step by step
tilbygge traces back through two separate lines of ancestry.