Changes

==Etymology==

==Etymology==

The word "dog" has an uncertain origin; it has its roots in the Middle English word ''docga'' sometime prior to the 12th century.<ref>https://www.merriam-webster.com/dictionary/dog</ref>  The German word ''hund'' (“hound”), which means the same animal, has a slightly-better provenance, as it may be derived from the Greek root “kýon” (''κύων, σκύλος'')<ref>https://www.etymonline.com/word/*kwon-</ref>; this root is common to all Indo-European languages including Sanskrit and Vedic (''çuan''), and gave rise to the Latin ''canis''.  

The word "dog" has an uncertain origin; it has its roots in the Middle English word ''docga'' sometime prior to the 12th century.<ref>https://www.merriam-webster.com/dictionary/dog</ref>  The German word ''hund'' (“hound”), which means the same animal, has a slightly better provenance, as it may be derived from the Greek root “kýon” (''κύων, σκύλος'');<ref>https://www.etymonline.com/word/*kwon-</ref>  this root is common to all Indo-European languages including Sanskrit and Vedic (''çuan''), and gave rise to the Latin ''canis''.  

== Scientific details ==

== Scientific details ==