septendec-

== Translingual == === Etymology === From Latin septendecim (“seventeen”), composed of septem (“seven”) + decem (“ten”). Used as a combining form in neoclassical compounds denoting quantities of seventeen. === Prefix === septendec- Denotes the number seventeen in compound and scientific terms. septendecennial – occurring every seventeen years septendecennium – a period of seventeen years ==== Related terms ==== septem – combining form for "seven" decem – combining form for "ten" septendecim – Latin cardinal number for seventeen ==== See also ==== tredec – combining form for thirteen duodec – combining form for twelve undec – combining form for eleven