Go to 'thermo-' entry Go to 'dino-' entry Go to 'chondro-' entry Go to 'aero-' entry Go to '-logy' entry Go to 'thaumato-' entry Go to 'nano-' entry Go to '-sophy' entry Go to 'bucco-' entry Go to '-ism' entry Go to '-lysis' entry Go to 'galacto-' entry Go to '-anthropy' entry Go to 'pneumo-' entry Go to '-ploitation' entry Go to '-lithic' entry Go to '-sepalous' entry Go to 'onco-' entry Go to '-parous' entry Go to 'dermato-' entry Go to 'multi-' entry Go to 'dodeca-' entry Go to '-zoon' entry Go to 'vermi-' entry Go to 'crystallo-' entry Go to 'biblio-' entry Go to 'eco-' entry Go to 'juxta-' entry Go to 'facio-' entry
Affixes: the building blocks of English
Affixes: the building blocks of English

en-2 Also em-.

Within; inside.

[Greek en-.]

Words in this prefix were mostly created in Greek. Em- is a variant used before b, m, p, and ph.

Examples created in classical Greek include: energy (Greek energeia, from ergon, work); enthusiasm (Greek enthousiasmos, from enthous, possessed by a god, based on theos, god); empathy (Greek empatheia, from pathos, feeling); enema (Greek enienai, send or put in, from hienai, send); endemic (Greek endēmios, native, based on dēmos, people).

Examples formed on Greek roots include the thermodynamic quantity entropy (Greek tropē, transformation); and engram (Greek gramma, letter of the alphabet), a hypothetical permanent change in the brain accounting for the existence of memory; a memory trace.

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