Where does “hæmatoblast” come from?

hæmatoblast (English) comes from English -blast, from Ancient Greek βλᾰστός.

Ancestry of “hæmatoblast”, step by step

Step	Language	Word	Meaning
1	English	-blast	an immature cell or tissue
2	Ancient Greek	βλᾰστός	—

hæmatoblast — Etymology, Origin & Word History | Etymology Explorer