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1550s, altered (perhaps by influence of porpoise) from Middle English tortuse (late 15c.), tortuce (mid-15c.), tortuge (late 14c.), from Medieval Latin tortuca (mid-13c.), perhaps from Late Latin tartaruchus "of the underworld" (see turtle). Others propose a connection with Latin tortus "twisted," based on the shape of the feet. The classical Latin word was testudo, from testa "shell." First record of tortoise shell as a coloring pattern is from 1782.
(Heb. tsabh). Ranked among the unclean animals (Lev. 11:29). Land tortoises are common in Syria. The LXX. renders the word by "land crocodile." The word, however, more probably denotes a lizard, called by the modern Arabs _dhabb_.