single-handed

The compound adjective "single-handed" is a transparent construction from native English elements. The core concept combines "single," implying oneness or singularity, with "hand," the primary instrument of manual action. The adjectival suffix "-ed" completes the form, giving the sense "having or using only one hand" or, by extension, "undertaken by one person's effort alone." Its literal 16th-century nautical use, describing a ship maneuverable by one sailor, broadened metaphorically to describe any solo accomplishment. The logic flows directly from the physical limitation of one hand to the abstract concept of unaided individual effort.

Structure: single (one) + hand (hand) + ed (having) - single: From Latin singulus (one, individual). Functions as a modifier meaning "one" or "alone". - hand: From Old English hand. Functions as a noun root referring to the human hand, here representing physical agency or effort. - ed: From Old English -ed, -od, a suffix forming adjectives with the sense "having, provided with".