Where does “oligoartrite” come from?

oligoartrite (Italian) comes from Italian oligo-, from Ancient Greek ὀλίγος, from New Latin chaeta, from Ancient Greek χαίτη, from Proto-Indo-European gʰeh₂it- — curly hair.

oligoartrite (Italian): oligoarthritis

Definitions

oligoarthritis

Ancestry of “oligoartrite”, step by step

Step	Language	Word	Meaning
1	Italian	oligo-	oligo
2	Ancient Greek	ὀλίγος	Of small amount: few, little; Of small size:...
3	New Latin	chaeta	—
4	Ancient Greek	χαίτη	loose, flowing hair; used especially of back...
5	Proto-Indo-European	gʰeh₂it-	curly hair

Every word from Proto-Indo-European gʰeh₂it- →Every word from Ancient Greek χαίτη →Every word from New Latin chaeta →