twofold
adj.having two parts or reasons. You use this to describe something that is made of two different things or has two different goals.
adj.consisting of or having two parts, aspects, or purposes. Often used to describe a result or a cause that has two distinct components.
“The success of the project had a twofold benefit.”
“The new policy was designed for a twofold purpose: to reduce costs and to improve safety standards.”
“The architect's twofold approach to the renovation addressed both the structural integrity of the building and the aesthetic needs of the modern office.”
“When both conditions were present, however, the risk of death rose by more than twofold.”
PIE word *dwóh₁ From Middle English twofold, from Old English twēofeald. Equivalent to two + -fold; cognate to Icelandic tvöfalt and Dutch tweevoudig.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.