תַּמְרוּר‎ (tamrûwr|tam-roor'|noun|masculine|bitterness)
[Heb] תַּמְרוּר‎, תַּמְרוּרִים‎ ETCBC: תַּמְרוּרִים‎ (subs|bitterness) OSHL: m.dq.ao TWOT: 1248L GK: H9476
Derivation: from מָרַר‎;
Strong's: bitterness (plural as collective)
KJV: [idiom] most bitter(-ly).