Where does “grillaantua” come from?

grillaantua (Finnish) comes from Finnish grillata, from Finnish grilli, from English grill, from English griller, from English -er, from Middle English -er, from Old French -er, from Latin -āre — he, she.

Ancestry of “grillaantua”, step by step

StepLanguageWordMeaning
1Finnishgrillatato grill, barbecue, broil; to interrogate, grill
2Finnishgrilligrill, barbeque, barbecue; grill room, grillroom,...
3EnglishgrillA grating; a grid of wire or a sheet of material...
4EnglishgrillerOne who, or that which, grills; Food suitable for...
5English-erA person or thing that does an action indicated...
6Middle English-eragentive suffix; agent noun suffix
7Old French-erAlternative form of -ier, verbal suffix;...
8Latin-ārefirst conjugation
9Proto-Italic-āōForms primarily denominative verbs
10Proto-Indo-European-eh₂yétiCreates iterative/ frequentative/ intensive...
11Proto-Indo-European-yétiCreates intransitive, often deponent,...
12Proto-Indo-Europeanyé-
13Chichewaiyehe, she
Every word from Chichewa iyeEvery word from English -erEvery word from Proto-Indo-European -yéti