Meaning

adjective suggesting an unhealthy mental state

adjective suggesting the horror of death and decay

adjective caused by or altered by or manifesting disease or pathology

originEtymology tree Proto-Indo-European *mer-der.? Latin morbus Proto-Indo-European *dʰeh₁-der. Proto-Italic *-iðos Latin -idus Latin morbidusder. English morbid From Latin morbidus (“diseased”), from morbus (“sickness”), itself from the root of morī (“to die”) or directly from Proto-Indo-European *mer- (“to rub, pound, wear away”).

Etymology from Wiktionary, CC BY-SA 3.0