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sub-question
sub-question n. 
/ˈsʌbˌkwɛstjən/, /ˈsəbˌkwɛʃtʃ(ə)n/
Brit. /ˈsʌbˌkwɛstʃ(ə)n/
, /ˈsʌbˌkwɛstʃ(ə)n//ˈsʌbˌkwɛstjən/U.S. /ˈsəbˌkwɛstʃ(ə)n/
, /ˈsəbˌkwɛstʃ(ə)n//ˈsəbˌkwɛʃtʃ(ə)n/ΚΠ
1675 T. Tully Let. to R. Baxter 27 There remaines yet one small sub-question.
1813 Amer. Law Jrnl. 4 567 The sub-question relative to the organization of the Senate.
1882 Chicago Med. Rev. 15 May 235/2 The question naturally falls into several sub-questions.
2004 M. Jeucken Sustainability in Finance xi. 353 The main research question and the first sub-question are dealt with after first discussing the other three sub-questions.
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