From en.wiktionary.org:
[piddle]
** English
[River Piddle] [Piddle Brook]
*** Etymology
[en], but probably an Anglo-Saxon word for small watercourse, as several
Piddles have been found in England. One source says it comes from [ang]. [1]
The word predates the modern noun or verb _piddle_.
*** Proper noun
[en-proper noun]
1. [en] .
2. [en] .
**** Derived terms
- [en]
- [en]
- [en]
*** References
References:
[1]. A Dictionary of British Place Names, by A. D. Mills, Oxford University Press (revised 2011), page 368