indoors
adverb /ˌɪnˈdɔːz/
  /ˌɪnˈdɔːrz/
- inside or into a building- I prefer to stay indoors in this really hot weather.
- Let's go indoors.
- I was indoors watching TV when I heard shouting in the street.
- Many herbs can be grown indoors.
- She added that in Hong Kong most cats were kept indoors.
 Oxford Collocations DictionaryIndoors is used with these verbs:- stay
 Word Originlate 18th cent. (superseding earlier within doors): from indoor.