Reconstruction:Proto-West Germanic/-iþu

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 *-iþō.

Suffix

*-iþu f

1. Forms abstract nouns from verbs, adjectives or other nouns.

Inflection

ō-stem
	Singular
Nominative	*-iþu
Genitive	*-iþā
	Singular	Plural
Nominative	*-iþu	*-iþō
Accusative	*-iþā	*-iþā
Genitive	*-iþā	*-iþō
Dative	*-iþē	*-iþōm, *-iþum
Instrumental	*-iþu	*-iþōm, *-iþum

Derived terms

Proto-West Germanic terms suffixed with *-iþu

Descendants

• Old English: -þ, -þu, -þo, -t, -to
  • Middle English: -the, -ðe, -ðhe, -eth, -ethe, -ith, -ithe, -th, -þ, -þe, -yth; -t, -te
    • English: -th, -t
    • Scots: -th, -t
• Old Frisian: -ithe, -te
  • Saterland Frisian: -te
  • West Frisian: -te
• Old Saxon: -itha
  • Middle Low German: -ede, -de, -te
    • Low German: -de, -te
    • → German: -te
• Old Dutch: -itha
  • Middle Dutch: -ede, -de, -te
    • Dutch: -te, -de
• Old High German: -ida
  • Middle High German: -ede
    • German: -de (rare, not productive)
    • Luxembourgish: -t