[ ɒn'sɒmb(ə)l ]
■ noun
1》 a group of musicians, actors, or dancers who perform together.
↘a scene or passage written for performance by a whole cast, choir, or group of instruments.
2》 a group of items viewed as a whole.
↘a set of clothes worn together.
Origin
ME: from Fr., based on L. insimul , from in- 'in' + simul 'at the same time'.