O-grade

Full definition of o-grade

Noun

1. (Indo-European linguistics) In Proto-Indo-European linguistics, a term used to describe an ablaut form of a Proto-Indo-European root, characterised by the presence of the */o/ vowel phoneme in place of */e/.Ancient Greek γόνος is a reflex of *ǵónh₁os ("race"), which is itself an o-grade derivative of the root *ǵenh₁- ("to beget; to produce, bear").

Related terms

• e-grade
• zero-grade

Anagrams

• dogear, dog-ear