generation
entirety of all living beings that have the same distance from their common ancestors or their descendants within their lineage
en-US/ˌd͡ʒɛnəˈɹeɪʃən/
en-GB/ˌd͡ʒɛnəˈɹeɪʃn/
entirety of all living beings that have the same distance from their common ancestors or their descendants within their lineage