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.
技能を養う
to develop skills
技能を身につける
to acquire skills
技能を持つ
to have skills
私は日本で技能実習生として働いています。
I am working as a technical intern in Japan.
バイクの技能試験は一発合格でした。
I passed the motorcycle skills test in one go.
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勉強しなくてはいけません。
You need to study all four skills - reading, writing, listening, and speaking - in a balanced way.