Here are some examples:
From Latin:
* -tan in words like "captain" and "lieutenant" comes from the Latin "tenere" which means "to hold". This suffix indicates a person who holds a specific position of authority.
* -tan in words like "infantry" and "infanta" comes from the Latin "infans" which means "child". This suffix indicates a person or thing associated with childhood or youth.
From other languages:
* -tan in words like "arctan" (a trigonometric function) comes from the Greek "tango" which means "I touch". This suffix indicates a specific type of mathematical function.
* -tan in words like "butan" (a hydrocarbon) comes from the Latin "butyrum" which means "butter". This suffix indicates a specific chemical compound.
Therefore, the meaning of "-tan" depends on the specific word it is attached to and its origin.
If you provide a specific word containing "-tan", I can help you understand its meaning more accurately.