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 comparative form of "skilful" is "more skilful," and the superlative form is "most skilful." While "skilful" can sometimes be transformed into "skilfuller" and "skilfullest" in less formal contexts, the more standard forms are preferred in writing. These forms are used to compare levels of skill among people or things.
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