Where does “płaskoziemca” come from?

płaskoziemca (Polish) comes from English flat-earther, from English -er, from Middle English -er, from Old French -er, from Latin -āre, from Proto-Italic -āō, from Proto-Indo-European -eh₂yéti, from Proto-Indo-European -yéti — he, she.

Ancestry of “płaskoziemca”, step by step

płaskoziemca traces back through 3 separate lines of ancestry.

via English flat-earther

StepLanguageWordMeaning
1Englishflat-eartherA person who believes or advocates the claim that the planet Earth is flat
2English-erA person or thing that does an action indicated...
3Middle English-eragentive suffix; agent noun suffix
4Old French-erAlternative form of -ier, verbal suffix;...
5Latin-ārefirst conjugation
6Proto-Italic-āōForms primarily denominative verbs
7Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
8Proto-Indo-European-yétiCreates intransitive, often deponent,...
9Proto-Indo-Europeanyé-
10Chichewaiyehe, she

via Polish ziemia

StepLanguageWordMeaning
1Polishziemiaearth; land, ground, soil
2Proto-Slaviczemľaearth, soil; land
3Proto-Balto-Slavic*źémijāˀearth
4Proto-Indo-Europeandʰéǵʰōmearth
5Proto-Indo-European-ōmemphatic suffix or postpositive particle
6Proto-Indo-European-mi

via Polish płaski

StepLanguageWordMeaning
1Polishpłaskiflat
2Old Polishpłoskieven, level, smooth
3Proto-Slavicploskъflat
4Proto-Balto-Slavicplak-ska-
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti