DictionaryRoot: tangere
Latin
tangere
touch
Forms
- tang-
- tact- — Latin stem of the form meaning ‘touched.’
- -ting- — Used in Latin compounds.
Origin
Reconstructed Proto-Indo-European *tag-, ‘touch.’
Note
Touching can mean affecting something without physically reaching it.
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noun / adjective
tangent
A line touching a curve with the same direction at contact.
Etymology
The Latin verb means touching. The line is named for touching the curve while sharing its direction at the contact point.