Lewis Short
(verb) : ex-tundo, tŭdi, tūsum, 3
* To beat out, strike out, force out (mostly poet. and post-Aug.; not in Cic. or Caes.).
* Lit.: calcibus frontem extudit,Phaedr. 1, 21, 9; cf. Sen. Contr. 5, 33, 2: frequens tussis sanguinem quoque extundit,Cels. 4, 4, 5.
* Trop.: priusquam id extudi, cum illi subblandiebar,squeezed out, extorted,Plaut. Most. 1, 3, 64; cf.: ea demum extudit magis convicio quam precibus vel auctoritate,Suet. Vesp. 2: quis nobis extudit hanc artem?struck out, found out, devised,Verg. G. 4, 315: eloquentiam,Gell. 17, 20, 4: vitae mortalis honorem,Verg. G. 4, 328: perseveranti postulatione extuderunt, ut, etc.,Val. Max. 5, 2, 10; so with ut, id. 1, 4, 4: alios (discentes) continuatio extundit, in aliis plus impetus facit, hammers out, forms (the figure being taken from a sculptor), Quint. 1, 3, 6: hic exsultantis Salios ... et lapsa ancilia caelo extuderat,embossed, fashioned in relief,Verg. A. 8, 665: cum labor extuderit fastidia, has driven off (= cum vi excusserit, removerit), Hor. S. 2, 2, 14: unum librum extudit et elucubravit,elaborated,Tac. Or. 9.
Charlton T. Lewis, Charles Short, A Latin Dictionary