Where does “Iglesias” come from?

Iglesias (English) comes from Spanish iglesias, from Latin ecclēsia, from Ancient Greek ἐκκλησία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “Iglesias”, step by step

Step	Language	Word	Meaning
1	Spanish	iglesias	—
2	Latin	ecclēsia	church (a house of worship)
3	Ancient Greek	ἐκκλησία	assembly; congregation, church
4	Ancient Greek	-ῐ́ᾱ	{{l\|en\|-ia}}; "suffix forming abstract feminine...
5	Proto-Indo-European	-íh₂	—
6	Proto-Indo-European	-h₂	Creates collective nouns, which refer to groups...

Every word from Proto-Indo-European -h₂ →Every word from Ancient Greek -ῐ́ᾱ →Every word from Ancient Greek ἐκκλησία →