One of the mysteries of the English language finally explained.
Any of several other embryonic structures or stages of plants; (now) specifically the group of cells formed by the earliest divisions of the spermatophyte zygote, before the embryo proper and the suspensor become differentiated.
Mid 19th century (in an earlier sense). From pro- + embryo, after German Proembryo.
In this article we explore how to impress employers with a spot-on CV.