Wiktionary
duodecimate
Etymology 1 n. (context rare English) (l en duodecimvirate) Etymology 2
vb. 1 (context rare attested in the past participle only English) (l en kill Kill) one (l en twelfth) of a (l en group) of (l en person people), (non-gloss definition: especially) by (l en lot). 2 (context rare attested in the past participle only English) (l en divide Divide) into twelfths; divide (l en duodecimally).