Skill
Ability
noun
Your skill and ability are kind of similar things. That's why this word means either or. Your skill ability is your skill and ability.
This is a jukugo word, which usually means on'yomi readings from the kanji. If you know the readings of your kanji you'll know how to read this as well.
技能を持つ
to have skills
技能を身につける
to acquire skills
技能を養う
to develop skills
カナエは、先月末にウェブデザイン技能検定に合格した。
Kanae passed the technical skill test for web design at the end of last month.
リーディング、ライティング、リスニング、スピーキングの四つの技能をバランスよく上たつさせるのはむずかしい。
It's difficult to improve the four abilities of reading, writing, listening, and speaking, so that they're balanced well.
逃走するために、俺はCIA諜報員としての年月で習得した技能を駆使した。
To escape, I used the skills that I had acquired in my years as a CIA agent.