What is the meaning of Glain?

clearness

glass, crystal

inflection of glan:

1. masculine vocative/genitive singular
2. feminine dative/accusative singular
3. neuter genitive singular
4. masculine nominative plural

masculine vocative/genitive singular

feminine dative/accusative singular

neuter genitive singular

masculine nominative plural

bead

treasure, darling

Source: wiktionary.org