Third person singular present tense of cumber; burdens, obstructs, or makes difficult for someone or something.
From 'cumber' conjugated in third person singular present tense, using standard English verb conjugation with '-s' ending.
Simple verb forms like 'he cumbers' appear constantly in older literature but sound archaic now—we'd say 'it burdens' today, showing how English loses old verbs and replaces them with newer ones.
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