derive
Cross references: 1. spring de.rive \di-'ri-v\ vb [ME deriven, fr. MF deriver, fr. L derivare, fr. de- +]rivus stream 1a: to take or receive esp. from a specified source 1b: to obtain from a specified source; specif : to obtain (as a ch emical substance) actually or theoretically from a parent substance 2: INFER, DEDUCE archaic 3: BRING 4: to trace the derivation of : ORIGINATE, STEM - de.riv.er n