-ej

Etymology 1
Between the 14 and 16 century a process of changing the vowel  into ej  appeared in the Czech language, but most of the new variants have never made it into standard Czech (including new variants of adjective inflectional suffixes).

Suffix

 * 1)  masculine nominative singular of hard adjectives

Etymology 2
Suffix ej appears also in various regional Czech dialects as an inflectional suffix of some cases of feminine adjectives. While in dative and locative it appears in some Moravian regions, in genitive it can be found also in some Bohemian regions, especially in south Bohemia.

Suffix

 * 1)  feminine genitive singular of hard adjectives
 * 2)  feminine dative singular of hard adjectives
 * 3)  feminine locative singular of hard adjectives

Usage notes

 * Variants:
 *  is added to back-vowel stems
 *  is added to front-vowel stems