eosinophil

Term: eosinophil (eosino-phil)

Origin:

eωσίνη/eosine(=eosin, a red fluorescent dye)

Anc Greek

>ηώς ή Ηώς/ eos or Eos(=dawn or Greek Goddess of the Dawn )

>αυώς/avos(=dawn)

+-φιλέω/phileo(=-phil, combining form for “love”, “kiss”, “have tenderness for”)

>πίλναμαι/pilnamai(=to contact, to approach)

>φιλία/philia(=philia, combining form meaning “affection” , “friendship” or “mutual love”.

Literally meaning : affinity to eosin a fluorescent dye resembling colors of dawn.

Coined

In 1879 by by German-Jewish scientist in the field of immunology and pathology Paul Ehrlich (1854 –1915 who based on the affinity of eosinophil’s granules for acid staining.

Definition:

Eosinophil is a granular leukocyte having a nucleus with two lobes stained by eosin or other acid dyes.