τέχνη
téchnē
“craft, skill”
6 words in English grow from this root.
Nanotechnology
Scienceνᾶνοςnânos
“study of dwarf craft”
Pyrotechnics
Scienceπῦρpŷr
“fire craft”
Techne
Philosophyτέχνηtékhnē
“craft knowledge”
Technique
Artτέχνηtéchnē
“craft, learned skill”
Technocracy
Politicsτέχνηtékhnē
“rule by skill”
Technology
Scienceτέχνηtéchnē
“the study of craft”