מַמְרֹר (mamrôrmam-rore'noun|masculinebitter thing)
[Heb] מַמְרֹר, מַמְּרֹרִים ETCBC: מַמְּרֹורִים‎ (subs|bitterness) OSHL: m.dq.an TWOT: 1248k GK: H4936
Derivation: from מָרַר;
Strong's: a bitterness, i.e. (figuratively) calamity
KJV: bitterness.