Definition:
A sentence with at least 2 independent clauses and at least 1 dependent clause.
"The Compound-Complex Sentence." Evergreen.edu, www.evergreen.edu/sites/default/
files/writingcenter/handouts/grammar/compoundcomplex.pdf. Accessed 6 Sept.
2022.
Informal:
A sentence that is both compound and complex. This is the most sophisticated type of sentence you can use. This type of sentence often demonstrates a logical link or connection between the independent and dependent clauses.
Etymology: Compound = made of two or more parts, Complex = made of parts.
"late 14c., originally compouned, "composed of two or more elements, mixed, blended," past participle of compounen (see compound (v.)). Of flowers from 1660s; compound eye is attested from 1836; compound sentence, one consisting of two or more full clauses, is from 1772." "1650s, "composed of interconnected parts, formed by a combination of simple things or elements," from French complexe "complicated, complex, intricate" (17c.), from Latin complexus "surrounding, encompassing," past participle of complecti "to encircle, embrace," in transferred use, "to hold fast, master, comprehend," from com "with, together" (see com-) + plectere "to weave, braid, twine, entwine," from PIE *plek-to-, suffixed form of root *plek- "to plait."
"compound (adj.)." etymonline, www.etymonline.com/word/compound#etymonline_v_43839. Accessed 6 Sept. 2022, "complex (adj.)." etymonline, www.etymonline.com/word/complex. Accessed 6 Sept. 2022.