Where does “metatarsalgia” come from?

metatarsalgia (Italian) comes from Italian -algia, from New Latin -algia, from Ancient Greek ἄλγος, from Ancient Greek ἀλέγω — I heed, trouble myself.

metatarsalgia (Italian): pain in the region of the metatarsal bones;...

Definitions

pain in the region of the metatarsal bones;...

Ancestry of “metatarsalgia”, step by step

Step	Language	Word	Meaning
1	Italian	-algia	algia
2	New Latin	-algia	Used to form nouns identifying specific kinds or...
3	Ancient Greek	ἄλγος	pain (of either mind or body), sorrow, trouble, grief, distress, woe
4	Ancient Greek	ἀλέγω	I heed, trouble myself

Every word from Ancient Greek ἀλέγω →Every word from Ancient Greek ἄλγος →Every word from Italian -algia →