Complex sentence: The English word "flour" is originally a variant of the word "flower" and both words derive from the Old French "fleur" or "flour", which had the literal meaning "blossom", and a figurative meaning "the finest".
Split into simpler sentences: The English word "flour" is originally a variant of the word "flower". Both derive from the Old French "fleur" or "flour", which had the literal meaning "blossom", and a figurative meaning "the finest".