Where does “hammaspeikko” come from?

hammaspeikko (Finnish) comes from Finnish hammas, from Proto-Finnic hambas, from Proto-Balto-Slavic źámbas, from Proto-Indo-European ǵómbʰos, from Proto-Indo-European ǵómbʰ- — to pierce, gnaw through; tooth, horn, peg.

hammaspeikko (Finnish): Literally "Tooth Troll", a figure used to teach...

Definitions

Literally "Tooth Troll", a figure used to teach...

Ancestry of “hammaspeikko”, step by step

hammaspeikko traces back through two separate lines of ancestry.

via Finnish hammas

Step	Language	Word	Meaning
1	Finnish	hammas	tooth
2	Proto-Finnic	hambas	tooth
3	Proto-Balto-Slavic	źámbas	tooth; sharp or jagged edge
4	Proto-Indo-European	ǵómbʰos	tooth; row of teeth; peg
5	Proto-Indo-European	ǵómbʰ-	to pierce, gnaw through; tooth, horn, peg

via Finnish peikko

Step	Language	Word	Meaning
1	Finnish	peikko	goblin, hobgoblin, gnome, gremlin; troll;...
2	Finnish	peikkoi	—
3	Proto-Germanic	faihaz	coloured, decorated; hostile, criminal
4	Proto-Indo-European	póyḱos	—
5	Proto-Indo-European	peyḱ-	to hew, cut out; to stitch, embroider, sting; to...

Every word from Proto-Indo-European ǵómbʰ- →Every word from Proto-Indo-European ǵómbʰos →Every word from Proto-Balto-Slavic źámbas →