שִׁשִּׁי (šiššî) is
a Hebrew noun
meaning sixth. It appears
28 times
in 10 books of the Hebrew Bible
(Strong's H8345).
Same Hebrew root (TWOT 2336b)
Range of meaning (TWOT 2336b)sixth
Full entry: Brown-Driver-Briggs and Strong's
שִׁשִּׁיmasculine: sixth
שִׁשִּׁית feminine 6 adjective, numeral, sixth
Strong's H8345שִׁשִּׁי: sixth, ordinal or (feminine) fractional KJV:sixth (part).
Meanings: Brown-Driver-Briggs (1906) and Strong's Hebrew Dictionary (1890), public domain, via the Open Scriptures Hebrew Bible Project (CC BY 4.0). TWOT numbers for reference only.
Root family 2336: שׁדשׁšdš — Root of: שֵׁשׁ six; שִׁשָּׁה give sixth part of; שִׁשִּׁי sixth; שִׁשִּׁים sixty