מְרִירוּת (mĕrîrût) is
a Hebrew noun
meaning bitterness. It appears
1 time
in 1 book of the Hebrew Bible
(Strong's H4814).
Same Hebrew root (TWOT 1248i)
Range of meaning (TWOT 1248i)bitterness; grief
Full entry: Brown-Driver-Briggs and Strong's
מְרִירוּתnoun, feminine: bitterness
Strong's H4814מְרִירוּת: bitterness, i.e. (figuratively) grief KJV:bitterness.
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 1248: מָרַרmārar — be bitter; make bitter, shew bitterness; be, make; bitterly, bitterness, be moved with choler, grieved, provoke, vex