From TTT
Latin-English I.
dēcĭd|ō, -ĕre, -ī, —. (ˈde.tʃi.do) v. intr.
- To fall down; to fall off.
- To die; to pass away.
[de + cado.]
Latin-English II.
dēcīd|ō, -ēre, -ī, dēcīsum. (deˈtʃi.do) v. trans.
- To cut off; to diminish.
- To decide, to settle; to determine, to terminate.
[de + caedo.]