いくた幾多ikuta
1.

An expression indicating an extensive or infinite quantity, often used to convey the idea of many or countless instances or occurrences.

2.

A term that describes a state of being abundant or overflowing, commonly used in literary or formal contexts to emphasize the overwhelming presence of challenges or experiences.

3.

A grammatical term that modifies nouns by implying a large number or vast quantity, often highlighted in phrases that reflect numerous hardships or difficulties encountered.

Example:

我々は幾多の困難を克服しなければならない。