IPA: /ɑːrˈθrɪtɪkli/
KK: /ɑrˈθrɪtɪkli/
In a manner that is typical of someone suffering from arthritis, often involving pain or stiffness in the joints.
She moved arthritically, struggling to keep up with her friends during the hike.
Arthritically → It is formed from "arthr-" (from Greek "arthron", meaning joint) and "-itic" (meaning pertaining to) combined with the adverbial suffix "-ally" (meaning in a manner). The word "arthritically" refers to something that is related to or in the manner of joint inflammation or arthritis.
Think of 'arthron' which means joint, and remember that 'arthritically' describes something related to joints, especially in terms of inflammation.