compound split infinitive
Definition - A split infinitive that has been split by a multi-word phrase.

Example -
Try to never ever split your infinitives.
(In the above, the infinitive is to split and the phrase that splits it is never ever.)

Etymology -
The word infinitive derives from the Latin infinitivus, unlimited or indefinite.
Note: Diomedes called the Latin version the infinitivus, because it doesn't have a definite person or number.

Oxford English Dictionary -
Its first citation is from 1520:
"Quis, qui, is … gouerned … somtyme of ye infinytyue mode folowynge."
(Whitinton Vulg. (1527) 3)

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