Where does “aluhuuli” come from?

aluhuuli (Ingrian) comes from Ingrian alu-, from Ingrian ali-, from Ingrian -u — Used to form nouns from verbs.

Ancestry of “aluhuuli”, step by step

StepLanguageWordMeaning
1Ingrianalu-—
2Ingrianali-under-, sub
3Ingrian-uUsed to form nouns from verbs
Every word from Ingrian -u →Every word from Ingrian ali- →Every word from Ingrian alu- →