edit: The reason I find it an odd term is because human ancestry literally doesn’t follow a line. It always branches off, even if only to just include two parents. It’s a tree like structure, a line would misrepresent it

  • LibertyLizard@slrpnk.net
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    13 days ago

    Maybe a cultural or regional thing? Or is it related to a hobby or something? I can’t think of a single time I’ve heard this phrase in normal conversation.