transitive verb

1. to have an effect on; influence; produce a change in bright light affects the eyes
2. to move or stir the emotions of his death affected us deeply

Etymology: ME affecten < L affectare, to strive after < affectus, pp. of afficere, to influence, attack < ad-, to + facere, do

noun

1. Obsolete a disposition or tendency

2. Etymology: Ger affekt < L affectus, state of mind or body: see affectthe

   Psychol.
   1. an emotion or feeling attached to an idea, object, etc.
   2. in general, emotion or emotional response