מָר
From LSJ
Δαίμων ἐμαυτῷ γέγονα γήμας πλουσίαν → Malus sum mihimet ipse Genius, ducta divite → Ich stürzt' mich selbst ins Unglück durch die reiche Frau
English (Strong)
or (feminine) marah; from מָרַר; bitter (literally or figuratively); also (as noun) bitterness, or (adverbially) bitterly: + angry, bitter(-ly, -ness), chafed, discontented, X great, heavy.