quality (n.)

c. 1300, "temperament, character, disposition," from Old French qualite "quality, nature, characteristic" (12c., Modern French qualité), from Latin qualitatem (nominative qualitas) "a quality, property; nature, state, condition" (said [Tucker, etc.] to have been coined by Cicero to translate Greek poiotes), from qualis "what kind of a," from PIE root *kwo-, stem of relative and interrogative pronouns. Meaning "degree of goodness" is late 14c. Meaning "social rank, position" is c. 1400. Noun phrase quality time first recorded 1977. Quality of life is from 1943. Quality control first attested 1935.

Others are reading

Definitions of quality from WordNet
quality (n.)
an essential and distinguishing attribute of something or someone; "the quality of mercy is not strained"--Shakespeare;
quality (n.)
a degree or grade of excellence or worth;
the quality of students has risen
Synonyms: caliber / calibre
quality (n.)
a characteristic property that defines the apparent individual nature of something;
each town has a quality all its own
Synonyms: character / lineament
quality (n.)
(music) the distinctive property of a complex sound (a voice or noise or musical sound);
Synonyms: timbre / timber / tone
quality (n.)
high social status;
a man of quality
quality (adj.)
of superior grade;
quality paper
Synonyms: choice / prime / prize / select