fuss
偓 centers on fussing or being involved in a bothersome way. The single given meaning 'fuss' suggests a person caught up in unnecessary commotion or entanglement.
偓 combines the person radical 亻 with 屋 (house/roof). The exact historical development is uncertain, but it likely relates to a person within a dwelling or enclosure, possibly extended to fussing or being entangled in domestic affairs.
A person 亻 inside a house 屋 making a fuss over small things. Picture someone pacing around the house, fretting and fussing over every little detail.
For アク, imagine the person fussing so much they work themselves into an 'ack!' sound of exasperation: ack -> アク, as they fuss around the house.