also: かしづく
godan verb (-ku), intransitive verb
Describes serving someone with great care and devotion, often in a personal or domestic context. Can imply a somewhat old-fashioned or literary tone.
彼女は年老いた両親にかしずいている。
She devotedly attends to her elderly parents.
In the old days, a lady's maid's job was to wait upon her master.