gerund vs. infinitive

(in certain languages, as Latin) a form regularly derived from a verb and functioning as a noun, having in Latin all case forms but the nominative, as Latin dicendī genitive, dicendō dative, ablative, etc., “saying.”

the English -ing form of a verb when functioning as a noun, as writing in Writing is easy.

a form similar to the Latin gerund in meaning or function.

infin.

1. in English, the simple or basic form of a verb, with no endings to indicate the verb’s subject or tense, such as come, take, eat, be: used after auxiliary verbs or preceded by the word to, and sometimes functioning as a noun, such as He must be, I want to eat, To love is to understand.

2. a verb form found in many other languages that has a similar function, such as French venir “to come” or Latin esse “to be.”