Where does “megacentre” come from?

megacentre (English) comes from English centre, from Middle English center, from Middle French centre, from Latin centrum, from Ancient Greek κέντρον, from Proto-Hellenic *kéntron, from Proto-Indo-European *ḱéntrom — pointed tool.

megacentre (English): Alternative spelling of megacenter

Definitions

Alternative spelling of megacenter

Ancestry of “megacentre”, step by step

megacentre traces back through two separate lines of ancestry.

via English centre

Step	Language	Word	Meaning
1	English	centre	Alternative spelling of center
2	Middle English	center	—
3	Middle French	centre	—
4	Latin	centrum	center
5	Ancient Greek	κέντρον	Something with a sharp point: point, spike, spur;...
6	Proto-Hellenic	*kéntron	—
7	Proto-Indo-European	*ḱéntrom	pointed tool

via English mega

Step	Language	Word	Meaning
1	English	mega	Very large; great; excellent
2	Ancient Greek	μέγας	big, large; great, mighty, loud; marvelous,...
3	Proto-Indo-European	meǵh₂s	great

Every word from Proto-Indo-European *ḱéntrom →Every word from Proto-Hellenic *kéntron →Every word from Ancient Greek κέντρον →