The noun is skill; the adjective is skillful (skilful UK). Another noun form is skillfulness.
skillfulness
The word skillful is the adjective; the abstract noun is skillfulness or skill.
See Skilful.
The abstract noun for the adjective skillful is skillfulness.A related abstract noun is skill.
Very skilful hand. has written: 'The good husbandman's jewel'
skilfully
yes they were
no
obviously
it means sporty
skill
artfull, carefull.