Mid 17th century; earliest use found in John Gauden (c1599–1662), bishop of Worcester. From ricket, variant (in compounds and derivatives) of rickets + -ly.
Definition of ricketly in US English:
ricketly
adjectiveˈrɪkɪtli
rare
Affected with rickets; rickety.
Origin
Mid 17th century; earliest use found in John Gauden (c1599–1662), bishop of Worcester. From ricket, variant (in compounds and derivatives) of rickets + -ly.