- en-
- en-en-1 [en, in][ME < OFr < L in- < in, IN1] prefix forming verbs1.a) to put or get into or on [enthrone, enplane]b) to cover or wrap with [enrobe]: added to nouns2. to make, make into or like, cause to be: added to nouns and adjectives [endanger, enthrall]3. in or into: added to verbs [encase]4. used as an intensifier [encourage]: Often becomes em- before b, m, or p Many words beginning with en- are also spelled with in- [enquire, inquire]en-2 [en, in][Gr en- < en, IN1] prefixin: used chiefly in Greek derivatives [endemic]
English World dictionary. V. Neufeldt. 2014.