Where does “muslimivastaisuus” come from?

muslimivastaisuus (Finnish) comes from Finnish muslimivastainen, from Finnish vastainen, from Finnish vasta-, from Finnish vasta, from Swedish kvast, from Old Swedish quaster, from Old Norse kvǫstr, from Proto-Germanic kwastuz — twig; leafwork.

Ancestry of “muslimivastaisuus”, step by step

muslimivastaisuus traces back through two separate lines of ancestry.

via Finnish muslimivastainen

StepLanguageWordMeaning
1Finnishmuslimivastainenanti-Muslim
2Finnishvastainenfoul, head-, contrary; anti-, in-, un-; occurring...
3Finnishvasta-Expressing opposition or contrast: counter-,...
4FinnishvastaExpressing delay or that something takes place...
5Swedishkvastbroom; tassel; cyme
6Old Swedishquaster
7Old Norsekvǫstr
8Proto-Germanickwastuztuft; tassel
9Proto-Indo-Europeangʷes-twig; leafwork

via Finnish uus

StepLanguageWordMeaning
1FinnishuusAlternative form of uusi
Every word from Proto-Indo-European gʷes-Every word from Finnish vasta-Every word from Proto-Germanic kwastuz