Where does “flatsida” come from?

flatsida (Swedish) comes from Swedish sida, from Old Swedish sīþa, from Old Norse síða, from Proto-Germanic sīdǭ, from Proto-Germanic sīdaz, from Proto-Indo-European sēy-, from Proto-Indo-European ḱe- — demonstrative particle; here; this, here.

flatsida (Swedish): a flat side (of something), a flat

Definitions

  1. a flat side (of something), a flat

Ancestry of “flatsida”, step by step

flatsida traces back through two separate lines of ancestry.

via Swedish sida

StepLanguageWordMeaning
1Swedishsidaside; a bounding straight edge or surface; side;...
2Old Swedishsīþaside (of an object)
3Old Norsesíðaside
4Proto-Germanicsīdǭside
5Proto-Germanicsīdazdrooping, hanging down, pendulous, long,...
6Proto-Indo-Europeansēy-to send, throw, drop, sow, deposit; to linger
7Proto-Indo-Europeanḱe-demonstrative particle; here; this, here

via Swedish flat

StepLanguageWordMeaning
1Swedishflatflat; spineless, being a doormat, abstaining from...
2Old Norseflatrflat, level; flat, prostrate
3Proto-Germanicflatazflat
4Proto-Indo-EuropeanplÁt-
Every word from Proto-Indo-European ḱe-Every word from Proto-Indo-European sēy-Every word from Proto-Germanic sīdaz