[quote=Jorick]
That's actually not true, just something someone thought was right and put out on the internet as a fact without doing their research. Pusillanimous comes directly from Latin, a mix of pusillis (very weak or little) and animus (spirit or courage). Pussy seems to be derived either from Germanic languages in which "puss" and similar words refer to cats (with the insulting meaning starting as a comparison to negative traits of cats), or from the Old Norse word "puss" that meant pocket or pouch and was later taken to refer to female genitalia (with the insulting meaning starting as literally calling someone a vagina). It's unclear which of these roots it came from, might've been both coming together from different sources, but there seems to be no linkage between pusillanimous and pussy.Etymology is funny like that, you can get similar sounding words with similar meanings from entirely separate sources.
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God Dammit Language! :P