From en.wiktionary.org:
** Dutch
*** Etymology
From [nl], from [nl], from [nl], from [nl].
*** Pronunciation
- [nl]
- [nl]
*** Verb
[nl-verb]
1. [nl] to misbelieve (believe falsely or incorrectly) oneself to be something
**** Conjugation
[waan]
*** Noun
[nl]
1. [nl]
** Middle Dutch
*** Etymology 1
[dum] From [dum].
**** Verb
[head=wânen]
1. to expect
2. to think , to be of the opinion
3. to suspect
***** Inflection
[dum]
***** Derived terms
- [dum]
***** Descendants
- [nl]
*** Etymology 2
[dum] From [dum], from [dum].
**** Verb
[head=wānen]
1. to wane
***** Inflection
[dum]
*** Further reading
- [ID84603]
- [ID18803]
- [70294]
- [70296]
** Middle English
*** Etymology
From [enm].
*** Verb
[enm]
1. to moan , to wail , to complain
2. [enm] to sound
3. to lament , to bewail
** Old Dutch
*** Etymology
[odt] From [odt].
*** Verb
[head=wānen]
1. to think , to suppose
**** Inflection
[wān]
**** Descendants
- [dum]
**** Further reading
- [429]
** Old High German
*** Etymology
[goh] From [goh].
*** Verb
[head=wānen]
1. to suppose , to hope , to guess
**** Conjugation
[wān]
**** References
- Köbler, Gerhard, Althochdeutsches Wörterbuch, (6. Auflage) 2014