Affected

google

ref

late Middle English (in the sense ‘attack as a disease’): from French affecter or Latin affect- ‘influenced, affected’, from the verb afficere (see affect2).

etymonline

ref

affected (adj.1)

"artificially displayed," 1580s, past-participle adjective from affect (v.2) "make a pretense of." Related: Affectedly.

affected (adj.2)

1530s, "favorably disposed" (now obsolete but preserved in disaffected), past-participle adjective from affect (v.1). From 1610s as "under the influence of, afflicted."