Where does “Hektograph” come from?

Hektograph (German) comes from Czech hekto-, from Ancient Greek ἑκατόν, from Proto-Hellenic hekətón, from Proto-Indo-European ḱm̥tóm, from Proto-Indo-European déḱm̥ — ten.

Ancestry of “Hektograph”, step by step

StepLanguageWordMeaning
1Czechhekto-hecto-
2Ancient Greekἑκατόνhundred
3Proto-Hellenichekətónhundred
4Proto-Indo-Europeanḱm̥tómhundred
5Proto-Indo-Europeandéḱm̥ten
Every word from Proto-Indo-European déḱm̥ →Every word from Proto-Indo-European ḱm̥tóm →Every word from Proto-Hellenic hekətón →