Cel was the Etruscan goddess of the earth. On the Etruscan calendar, the month of Celi (September) is likely named for Her Greek counterpart is Gaia and her Roman is Tellus. In Etruscan mythology, Cel was the mother of the Giants.
Wood floor inlaid with pebbles. This could also solve the problem of shrinking wood planks or uneven floors that eventually leave gaps in-between. Fill in the gaps with pebbles & it'll look like it was designed to be that way.