Where does “heron” come from?

heron (Old French) comes from Frankish herigo, from Proto-Germanic haigrô, from Proto-Germanic hraigrô, from Proto-Indo-European (s)kreik-.

Ancestry of “heron”, step by step

Step	Language	Word	Meaning
1	Frankish	herigo	—
2	Proto-Germanic	haigrô	—
3	Proto-Germanic	hraigrô	heron
4	Proto-Indo-European	(s)kreik-	—

heron — Etymology, Origin & Word History | Etymology Explorer