Where does “アラビア海” come from?

アラビア海 (Japanese) comes from Japanese アラビア, from Latin Arabia, from Ancient Greek Ἀραβία, from Ancient Greek -ῐ́ᾱ, from Proto-Indo-European -íh₂, from Proto-Indo-European -h₂ — Creates collective nouns, which refer to groups...

Ancestry of “アラビア海”, step by step

アラビア海 traces back through two separate lines of ancestry.

via Japanese アラビア

Step	Language	Word	Meaning
1	Japanese	アラビア	—
2	Latin	Arabia	—
3	Ancient Greek	Ἀραβία	Arabia
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...

via Japanese 海

Step	Language	Word	Meaning
1	Japanese	海	a sea, an ocean; a lake; an object covering over...
2	Old Japanese	うな	—

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