逃がす
にがす · nigasu · JLPT N2 · verb-godan
to let escape
🕊️ 逃げる (flee) + causative がす = make it flee, so let it go
The verb 逃げる means to flee. 逃がす is its causative form, so the subject makes something else flee. That gives to let loose, set free, or let escape. Pronounced nigasu, with the が voiced.
逃 — 辶 walk radical + 兆 zhào (phonetic)
逃 is a semantic-phonetic compound. The walking radical 辶 carries the meaning of motion or going, while 兆 supplies the sound. Together they convey the idea of moving away, hence 'to flee' or 'to escape'.