From the names of the Esperanto letters A, I, D, and S: a +‎ i +‎ do +‎ so.

• IPA^(key): /aiˈdoso/

• Audio:

  (file)

• Rhymes: -oso
• Hyphenation: a‧i‧do‧so

aidoso (uncountable, accusative aidoson)

1. AIDS
   • 1993, George W. Partlow, “Memorceremonio pri viktimoj de aidoso”, in soc.culture.esperanto (Usenet):

     Dimanĉon vespere ni partoprenis en solenaĵo (fakte diservo) memore al la viktimoj de aidoso.

     Sunday evening we participated in a solemnity (actually a service) in memory of the victims of AIDS.

   • 2013, Sten Johansson, Marina, page 92:

     "Ĉu vi timas, ke mi havas aidoson?"

     "Are you afraid I have AIDS?"

• aidosulo (“person with AIDS”)