Reconstruction:Proto-West Germanic/aiþ

This Proto-West Germanic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-West Germanic

Etymology

From Proto-Germanic *aiþaz.

Noun

*aiþ m

oath
Synonym: *aiþastab

Inflection

Masculine a-stem
	Singular
Nominative	*aiþ
Genitive	*aiþas
	Singular	Plural
Nominative	*aiþ	aiþō, aiþōs
Accusative	*aiþ	*aiþā
Genitive	*aiþas	*aiþō
Dative	*aiþē	*aiþum
Instrumental	*aiþu	*aiþum

Derived terms

*aiþī
*aiþijan

Descendants

Old English: āþ
- Middle English: oth, ooth, ath
  - English: oath
  - Scots: aith
  - Yola: oathès (plural)
Old Frisian: ēth, āth
- North Frisian: ith, iss
- Saterland Frisian: Eed
- West Frisian: eed
Old Saxon: ēth
- Middle Low German: êt
  - German Low German: Eed
  - Plautdietsch: Eit
Old Dutch: *ēth
- Middle Dutch: êet
  - Dutch: eed
    - Afrikaans: eed
Old High German: eid, aid
- Middle High German: eit
  - German: Eid
  - Luxembourgish: Eed
  - Rhine Franconian:
    Frankfurterisch: IPA [ait]
- ⇒ Lombardic: *aido (“oath-helper”) (attested as aidos pl (“oath-helpers”))