Where does “slarkari” come from?

slarkari (Icelandic) comes from Icelandic -arí, from Old Norse -ari, from Latin -ārius, from Proto-Italic *-āzios — Forms relational adjectives to nouns (and rarely numerals).

slarkari (Icelandic): debauchee

Definitions

debauchee

Ancestry of “slarkari”, step by step

Step	Language	Word	Meaning
1	Icelandic	-arí	er, -or; a masculine suffix used to form agent nouns from verb and noun stems
2	Old Norse	-ari	a suffix used to create agent nouns from verbs;...
3	Latin	-ārius	er
4	Proto-Italic	*-āzios	Forms relational adjectives to nouns (and rarely numerals)

Every word from Proto-Italic *-āzios →Every word from Latin -ārius →Every word from Icelandic -arí →