伎 is built from the 亻 (person (left)) and 支 components.
It belongs to a phonetic family with 技 and 岐 — they share the 支 component and the reading ギ.
A common word using 伎 is 伎芸 (ぎげい), meaning “performing art; technique (in a performing art)”.
Don't confuse it with 技, 枝, and 岐.