{"era":"current","word":"seriously","meaning":"in a serious or earnest manner","children":[{"era":"1400s","word":"serious + -ly","meaning":"suffix forming manner adverbs","children":[{"era":"1400s","word":"serious","meaning":"grave, earnest","children":[{"era":"1100s","word":"seriosus","meaning":"of weighty concern","children":[{"era":"classical","word":"serius","meaning":"weighty, grave, not jesting","children":[],"language":"Latin"}],"language":"Medieval Latin"}],"language":"Middle English / Medieval Latin"}],"language":"Middle English"}],"language":"Modern English"}