olemus
Wiktionary, noun:
4 a single step or stage in the succession of natural descent; a rank or degree in genealogy, the members of a family from the same parents, considered as a single unit
7 a set stage in the development of computing or of a specific technology
12 (cellular automata) a single iteration of a cellular automaton rule on a pattern

Merriam-Webster, noun:
1d: a type or class of objects usually developed from an earlier type

ülevaateid
https://en.wikipedia.org/wiki/Generation

https://en.wikipedia.org/wiki/Generation_(disambiguation)