Reconstruction:Proto-West Germanic/wissōn

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 *wiss (“known, certain”) +‎ *-ōn

Verb

*wissōn

1. to assure, guarantee
2. to prove
3. to make known, inform

Inflection

Class 2 weak
Infinitive	*wissōn
1st sg. past	*wissōdā
Infinitive	*wissōn
Genitive infin.	*wissōnijas
Dative infin.	*wissōnijē
Instrum. infin.	*wissōniju
Indicative	Present	Past
1st singular	*wissō	*wissōdā
2nd singular	*wissōs	*wissōdēs, *wissōdōs
3rd singular	*wissōþ	*wissōdē, *wissōdā
1st plural	*wissōm	*wissōdum
2nd plural	*wissōþ	*wissōdud
3rd plural	*wissōnþ	*wissōdun
Subjunctive	Present	Past
1st singular	*wissō	*wissōdī
2nd singular	*wissōs	*wissōdī
3rd singular	*wissō	*wissōdī
1st plural	*wissōm	*wissōdīm
2nd plural	*wissōþ	*wissōdīd
3rd plural	*wissōn	*wissōdīn
Imperative	Present
Singular	*wissō
Plural	*wissōþ
	Present	Past
Participle	*wissōndī	*wissōd

Descendants

• Old English: wissian
  • Middle English: wissen
    • English: wis, wiss (obsolete)
    • Scots: wis, wiss
  • ⇒ Old English: ġewissian
    • Middle English: iwissen, ywissen
• Old Frisian: wissia
  • ⇒ Saterland Frisian: bewizje
  • ⇒ Saterland Frisian: gewizje
  • ⇒ West Frisian: bewisje
  • ⇒ West Frisian: ferwisje
• Old Saxon: *wissōn
  • Middle Low German: wissen
• Old Dutch: *wisson
  • Middle Dutch: wissen
    • Dutch: wissen
    • ⇒ Middle Dutch: bewissen
    • ⇒ Middle Dutch: verwissen
      • Dutch: verwissen
• Old High German: *wissōn
  • ⇒ Old High German: *firwissōn
    • Middle High German: verwissen
      • German: verwissen (archaic)
  • ⇒ Old High German: gewissōn
    • Middle High German: gewissen
      • German: gewissen (archaic)
      • ⇒ Middle High German: vergewissen
        • German: vergewissen (archaic)
          • ⇒? German: vergewissern
          • → Dutch: vergewissen
            • → Norwegian: forvisse