adjective/a.by.ti.ʁɔ.tɔ.mɔ.fi.lɔ.ʒɛn/
simple-minded
a- + butyro- + tomo- + fil + -gène. Pseudo-Ancient Greek formation meaning “non-butter-cutting-wire-creating”, from the phrase ne pas avoir inventé le fil à couper le beurre (“to be simple-minded”, literally “not to have invented the butter-cutting wire”).