Where does “vaadulain” come from?

vaadulain (Ingrian) comes from Ingrian -lain, from Ingrian töö, from Ingrian väki, from Icelandic vaki, from Arabic وَاقِع, from Arabic النَّسْر الوَاقِع — falling eagle.

Ancestry of “vaadulain”, step by step

Step	Language	Word	Meaning
1	Ingrian	-lain	kind of
2	Ingrian	töö	ye, you; work
3	Ingrian	väki	people
4	Icelandic	vaki	hormone
5	Arabic	وَاقِع	happening, occurring; falling
6	Arabic	النَّسْر الوَاقِع	falling eagle

Every word from Arabic النَّسْر الوَاقِع →Every word from Arabic وَاقِع →Every word from Icelandic vaki →