olemus
ühetüübilisi struktuure (näiteks protseduure)
samatüübilise sisse paigutama

Wiktionary, verb:
5. (transitive) to place one thing neatly inside another, and both inside yet another (and so on)

ISO/IEC/IEEE 24765:
üht programmitartarindit teise samalaadse sisse paigutama
= to incorporate a computer program construct into another construct of the same kind

näiteid
https://www.bbc.co.uk/bitesize/guides/znh6pbk/revision/7

https://www.educba.com/nested-loop-in-c-plus-plus/

https://happycoding.io/tutorials/html/nesting-html-tags

http://www.dba-oracle.com/t_complex_sql_query_nesting.htm

ülevaateid
https://en.wikipedia.org/wiki/Nesting_(computing)