Where does “北マケドニア” come from?

北マケドニア (Japanese) comes from Japanese マケドニア, from Ancient Greek μακεδονία, from Ancient Greek μακεδνός, from Ancient Greek μακρός, from Proto-Italic makros, from Proto-Indo-European mh₂ḱrós, from Proto-Indo-European meh₂ḱ- — to raise, increase; long.

Ancestry of “北マケドニア”, step by step

北マケドニア traces back through two separate lines of ancestry.

via Japanese マケドニア

Step	Language	Word	Meaning
1	Japanese	マケドニア	Macedonia
2	Ancient Greek	μακεδονία	highland
3	Ancient Greek	μακεδνός	tall, taper
4	Ancient Greek	μακρός	long; tall, deep; far, distant
5	Proto-Italic	makros	—
6	Proto-Indo-European	mh₂ḱrós	lean, meager
7	Proto-Indo-European	meh₂ḱ-	to raise, increase; long

via Japanese 北

Step	Language	Word	Meaning
1	Japanese	北	north; the North; a northerly, north wind
2	Chinese Mandarin	北	—

Every word from Proto-Indo-European meh₂ḱ- →Every word from Proto-Indo-European mh₂ḱrós →Every word from Proto-Italic makros →