“a work in which etymologies are traced,” 1640s, from Latin etymologicon, from Greek etymologikon, neuter of etymologikos (see etymology).
Examples from the Web for etymologicon Historical Examples of etymologicon
Etymologicon vocum omnium antiquarum qu usque a Wilhelmo Victore invaluerunt, et jam ante parentum tatem in usu esse desierunt.
Richard Chevenix Trench
Anyone curious upon the subject of Gib Cats, may find the subject treated at length in the Etymologicon.
Charles H. Ross
Skinner’s Etymologicon has the two entries, centry pro sanctuary and centry v. sentinel.