The Collaborative International Dictionary
Davidic
Davidic \Da*vid"ic\, a. Of or pertaining to David, the king and psalmist of Israel, or to his family.
Usage examples of "davidic".
It appears that Zechariah swiped Isaiah's metaphor about a fresh branch coming forth from the withered Davidic line, although later it appears that he's naming Zerubbabel as the Messiah.
I'll keep calling it the Davidic line because it's a handy term, but when I use it I am referring to the bloodline that traces back to the man the Bible rightly or wrongly calls David.
I know for a fact that the first three are true, so that left only the prophecy about the Davidic line.