proto-
/ˈprəʊtəʊ/(usually prot- before a vowel)
combiningForm
1Original or primitive: prototherian prototype
1.1First or earliest: protomartyr protozoon
Origin
From Greek prōtos 'first'.
- preformationist
- preformative
- preformer
- preformism
- preformist
- pre-Freudian
- prefrontal
- prefrontal leucotomy
- prefrontal lobotomy
- prefulgent
- preg
- pregalactic
- pre-Galilean
- pregame
- pregamic
- pregaming
- preganglionic
- preganglionically
- pregastrular
- pregeniculate
- pregenital
- pregenitality
- pregenitally
- pregeologic
- pregeological