ex-signo (exign-), āvi, ātum, 1, v. a.,
to write out , note down , record (very rare): omnia istaec quae tu dixti, scio, vel exsignavero, I could write it down exactly , Plaut. Trin. 3, 2, 29: pontifici sacra omnia exscripta exsignataque attribuit, Liv. 1, 20, 5.
ex-sīgnō —, ātus, āre, to write out, note down: sacra omnia exsignata, L. ...
An Elementary Latin Dictionary