Illustrated Companion to the Latin Dictionary/Cerdo

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

CERDO. A workman of inferior description, or who belonged to the lowest class of operatives (Juv. iv. 153. Pers. iv. 51.): the particular trade which he practised is likewise designated by the addition of another substantive as sutor cerdo (Mart. Ep. iii. 59.), a cobbler; cerdo faber (Inscript. ap. Spon. Miscell. Erudit. Antiq. p. 221.), a journeyman smith; and so on for other trades.