eadig

Old English

From Proto-Germanic *audagaz; equivalent to ēad +‎ -iġ.

ēadiġ (superlative ēadġest)

happy, prosperous
- late 10th century, Ælfric, Lives of Saints
  Iob, sē ēadiġa and sē ānrǣda godes þeġn, wæs swa fulfremed on eallum gōdnyssum þæt god sylf cwæþ bē him þæt his ġelīċa nǣre þā on þām līfe ofer eorþan.
  Job, the prosperous and unwavering servant of god, was so perfect in all his good deeds that God Himself said that there was no one like him living on Earth.
- To ðissum eadigan ham ― to this happy home. (Cædmon)

Declension of ēadiġ — Strong

Singular	Masculine	Feminine	Neuter
Nominative	ēadiġ	ēadiġu, ēadġu, ēadiġo, ēadġo	ēadiġ
Accusative	ēadiġne	ēadiġe, ēadġe	ēadiġ
Genitive	ēadiġes, ēadġes	ēadiġre	ēadiġes, ēadġes
Dative	ēadiġum, ēadġum	ēadiġre	ēadiġum, ēadġum
Instrumental	ēadiġe, ēadġe	ēadiġre	ēadiġe, ēadġe
Plural	Masculine	Feminine	Neuter
Nominative	ēadiġe, ēadġe	ēadiġa, ēadġa, ēadiġe, ēadġe	ēadiġu, ēadġu, ēadiġo, ēadġo
Accusative	ēadiġe, ēadġe	ēadiġa, ēadġa, ēadiġe, ēadġe	ēadiġu, ēadġu, ēadiġo, ēadġo
Genitive	ēadiġra	ēadiġra	ēadiġra
Dative	ēadiġum, ēadġum	ēadiġum, ēadġum	ēadiġum, ēadġum
Instrumental	ēadiġum, ēadġum	ēadiġum, ēadġum	ēadiġum, ēadġum

Declension of ēadiġ — Weak

Singular	Masculine	Feminine	Neuter
Nominative	ēadiġa, ēadġa	ēadiġe, ēadġe	ēadiġe, ēadġe
Accusative	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġe, ēadġe
Genitive	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġan, ēadġan
Dative	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġan, ēadġan
Instrumental	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġan, ēadġan
Plural	Masculine	Feminine	Neuter
Nominative	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġan, ēadġan
Accusative	ēadiġan, ēadġan	ēadiġan, ēadġan	ēadiġan, ēadġan
Genitive	ēadiġra, ēadiġena, ēadġena	ēadiġra, ēadiġena, ēadġena	ēadiġra, ēadiġena, ēadġena
Dative	ēadiġum, ēadġum	ēadiġum, ēadġum	ēadiġum, ēadġum
Instrumental	ēadiġum, ēadġum	ēadiġum, ēadġum	ēadiġum, ēadġum