Etymology of the English word oscitancy
the English word oscitancy
derived from the Latin word oscitans (listless; sluggish; sleepy)
derived from the Latin word oscitare (gape; yawn)
derived from the Latin word os (oris, mouth; bone; bones; mouth, speech, expression)
derived from the Proto-Indo-European root *os-
derived from the Proto-Indo-European root *ost-
derived from the Proto-Indo-European root *ōs-
derived from the Latin word citare (urge on, encourage; promote)