染 - dye, color, paint

COVID-19; coronavirus disease 2019

dyeing; printing

contagion; infection

infection; contagion; becoming infected

infectious disease; infection

familiar; well-known; regular (e.g. customer); favourite; favorite

dyeing

pollution; contamination

to be dyed

to dye; to colour; to color

to become familiar with; to get used to; to become accustomed to; to adapt oneself to; to become attached to; to become friendly with

contagious disease; communicable disease; transmissible disease; infectious disease; epidemic