The correct spelling for the phrase "letted up on" is actually "let up on." The word "let" is already the past tense of the verb meaning to allow or permit. Adding "ed" to "let" is redundant and unnecessary. The use of the past participle "let up" means to ease off or lessen something, such as pressure or restrictions. In IPA phonetic transcription, "let up" is pronounced as /lɛt ʌp/, with emphasis on the first syllable "let."
"Letted up on" is a phrasal verb that can be broken down into two parts: "letted" and "up on." It is primarily used in informal or colloquial contexts, often in spoken language.
The word "letted" in this phrase is the past tense of the verb "let," which means to allow or permit. The preposition "up" is used as an intensifier, giving the verb a sense of releasing or easing. Lastly, "on" is a preposition that indicates the target or recipient of the action. When combined, "letted up on" suggests the act of granting leniency, reducing restraint, or loosening control on something or someone.
In essence, "letted up on" implies the act of relaxing or lessening rules, restrictions, pressure, or demands that were previously imposed. It may refer to a situation where someone eases up on a particular task, duty, or expectation. Similarly, it can describe a scenario where an individual grants forgiveness, shows mercy, or demonstrates understanding towards someone they were previously strict or firm with.
Overall, "letted up on" is a phrasal verb used to convey the idea of reducing restrictions, easing control, or showing leniency in a given situation or towards a specific person.