Pronunciation /ˈtɔːtəs/ /ˈtɔːtɔɪz/
A slow-moving typically herbivorous land reptile of warm climates, enclosed in a scaly or leathery domed shell into which it can retract its head and thick legs.
Late Middle English tortu, tortuce from Old French tortue and Spanish tortuga, both from medieval Latin tortuca, of uncertain origin. The current spelling dates from the mid 16th century.
Like a tortoise, some good work takes time to arrive. Poor work may also take its time.