Where does “Madrid” come from?

Madrid (Haitian Creole) comes from French Madrid, from Spanish Madrid, from Latin mātrīx, from Latin māter, from Ancient Greek ἄρχω, from Proto-Indo-European h₂ergʰ- — to begin; to command, rule; to begin, rule,...

Ancestry of “Madrid”, step by step

Step	Language	Word	Meaning
1	French	Madrid	—
2	Spanish	Madrid	the letter M in the Spanish spelling alphabet
3	Latin	mātrīx	uterus, womb
4	Latin	māter	mother female parent
5	Ancient Greek	ἄρχω	To begin; To lead, rule, govern, command; To be...
6	Proto-Indo-European	h₂ergʰ-	to begin; to command, rule; to begin, rule,...

Every word from Proto-Indo-European h₂ergʰ- →Every word from Ancient Greek ἄρχω →Every word from Latin māter →