What is the meaning of Illu?

alternative form of ellu

illative singular of ilu

house

Latin spelling of ᐃᓪᓗ (illo)

angry, anger, mad

happiness

inflection of illr:

1. strong neuter dative singular
2. weak feminine accusative/dative/genitive singular
3. weak masculine/feminine/neuter nominative/accusative/genitive plural

strong neuter dative singular

weak feminine accusative/dative/genitive singular

weak masculine/feminine/neuter nominative/accusative/genitive plural

Source: wiktionary.org