Carbon 14 blank ams radiocarbon dating
The Italian word zefiro was already in existence (meaning "west wind" from Latin and Greek zephyrus) and may have influenced the spelling when transcribing Arabic ṣifr.
There are different words used for the number or concept of zero depending on the context.
As a digit, 0 is used as a placeholder in place value systems.
It is often called oh in the context of telephone numbers. They used hieroglyphs for the digits and were not positional.By the middle of the 2nd millennium BC, the Babylonian mathematics had a sophisticated sexagesimal positional numeral system.The lack of a positional value (or zero) was indicated by a space between sexagesimal numerals.Slang words for zero include zip, zilch, nada, and scratch. By 1770 BC, the Egyptians had a symbol for zero in accounting texts.The symbol nfr, meaning beautiful, was also used to indicate the base level in drawings of tombs and pyramids and distances were measured relative to the base line as being above or below this line.