Where does “*sinkwa” come from?

*sinkwa (Old East Norse) comes from Proto-Germanic sinkwaną, from Proto-Indo-European sengʷ- — to sink; to fall; to drop.

Ancestry of “*sinkwa”, step by step

StepLanguageWordMeaning
1Proto-Germanicsinkwanąto sink
2Proto-Indo-Europeansengʷ-to sink; to fall; to drop

Words derived from “*sinkwa

Every word from Proto-Indo-European sengʷ-Every word from Proto-Germanic sinkwaną