Definition of "auctour"

Redynge of olde auctours and ſtoryes my mooſt honorable lorde / I fynde that men in tyme paſte were of longer lyfe / and of more proſperous helth / thã they are nowe a daies.

1530, “To the right excellent and honorable lorde Jhoñ Erle of Oxforde / and hygh chamberlayne of Englande Thomas Paynell gretynge”, in Regimen Sanitatis Salerni. This Boke Techynge All People to Gouerne Them in Helthe, Is Translated out of the Latyne Tounge in to Englishe by Thomas Paynell.

A dayly exercyſe, and experyẽce of deth / all duely corrected by the ſelfe auctour, and nowe prynted trewely. The ſayd auctour requyred me inſtantly that I ſhulde nat prynte nor ioyne any other werkes vnto his. Specially of vncertayne auctours.

1537, A Dayly Exercyse and Experyence of Dethe / Gathered and Set Forth, by a Brother of Syon Rycharde Whytforde

For among the learned auctours, ſome thinke that Heauen and earth, of whiche in the i. chapt. of Geneſis, and i. verſe it is writen, In the beginnyng God made heauen and earth, were made by God of nothyng: […]

1578, Lambertus Danæus, translated by T. T., The Wonderfull VVoorkmanship of the World: Wherin Is Conteined an Excellent Discourse of Christian Naturall Philosophie, Concernyng the Fourme, Knowledge, and Vse of All Thinges Created: Specially Gathered out of the Fountaines of Holy Scripture, London: […] Andrew Maunsell, page 46