(particle equivalent to 啊 after noun ending in -n)[cedict]
which? (interrogative, followed by classifier or numeral-classifier)[cedict]
支
zhīㄓ
to support; to sustain; to erect; to raise; branch; division; to draw money; surname Zhi; classifier for rods such as pens and guns, for army divisions and for songs or compositions; watt, classifier for power of light bulbs[cedict]