Where does “liiturousku” come from?

liiturousku (Finnish) comes from Finnish liitu, from Swedish klita, from Middle Low German krite, from Latin Crēta, from Latin -āceus, from Latin -āx, from Latin -ium, from Latin -ius — Creates adjectives from noun or verb stems.

liiturousku (Finnish): fleecy milk-cap, "Lactarius vellereus"

Definitions

fleecy milk-cap, "Lactarius vellereus"

Ancestry of “liiturousku”, step by step

liiturousku traces back through two separate lines of ancestry.

via Finnish liitu

Step	Language	Word	Meaning
1	Finnish	liitu	chalk
2	Swedish	klita	chalk
3	Middle Low German	krite	—
4	Latin	Crēta	chalk
5	Latin	-āceus	aceous; resembling, having the nature of, forming, belonging to
6	Latin	-āx	ish, -y
7	Latin	-ium	Suffix used to form abstract nouns, sometimes...
8	Latin	-ius	forming adjectives from nouns; nominative neuter...
9	Proto-Italic	-jōs	Forms comparative adjectives
10	Proto-Indo-European	-yós	Creates adjectives from noun or verb stems

via Finnish rousku

Step	Language	Word	Meaning
1	Finnish	rousku	A milk-cap
2	Finnish	-u	Forms nouns from verbs. Most common with "e"- and...
3	Proto-Finnic	-u	Forms nouns from adjectives, nouns

Every word from Proto-Indo-European -yós →Every word from Latin -ium →Every word from Latin -ius →