ppl. a.
c. 1375. Cursor M., 14806 (Fairf.). Þis man is wele þriuen [Cott. fast es he throd and thriuen].
1748. Richardson, Clarissa (1768), II. 7. Then I have a quarrel against his face, though in his person, for a well-thriven man, tolerably genteel.
1791. Cowper, Iliad, XVIII. 698. A well-thriven ox.