שְׂאֹר (śĕʾōr) is
a Hebrew noun
meaning leaven. It appears
5 times
in 3 books of the Hebrew Bible
(Strong's H7603).
Same Hebrew root (TWOT 2229a)
Range of meaning (TWOT 2229a)leaven; barm, swelling
Full entry: Brown-Driver-Briggs and Strong's
שְׂאֹרnoun, masculine: leaven
Strong's H7603שְׂאֹר: barm or yeast-cake (as swelling by fermentation) KJV:leaven.
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 2229: שׂארśʾr — Root of: שְׂאֹר leaven