- extrude (v.)
- 1560s, from Latin extrudere "to thrust out, drive away" (see extrusion). Related: Extruded; extruding.
- extrusion (n.)
- 1530s, formed as a noun of action from past participle stem of extrudere, from ex- "out" (see ex-) + trudere "to thrust, push," from PIE *treud- "to press, push, squeeze" (see threat).
- extrusive (adj.)
- 1816, from Latin extrus-, past participle stem of extrudere "thrust out; drive away" (see extrusion) + -ive. Related: Extrusively.