dlive - v.
1 tr. (usu. foll. by from) get, obtain, or form (derived satisfaction from work).
2 intr. (foll. by from) arise from, originate in, be descended or obtained from (happiness derives from many things).
3 tr. gather or deduce (derived the information from the clues).
4 tr. a trace the descent of (a person). b show the origin of (a thing).
5 tr. (usu. foll. by from) show or state the origin or formation of (a word etc.) (derived the word from Latin).
6 tr. Math. obtain (a function) by differentiation.

derivable adj. [ME f. OF deriver or f. L derivare (as DE-, rivus stream)]