日日

Adverb

 * 1)  daily; every day; day by day

Etymology 1
Reduplication of.

This is generally the most common reading for this kanji compound.

Adverb

 * 1) day by day

Noun

 * 1) every day, daily

Etymology 2
Reduplication of, using the on'yomi pronunciation.

This is a less-common reading for this kanji compound.

Adverb

 * 1) day by day

Noun

 * 1) every day, daily

Derived terms

 * : : Madagascar periwinkle, rosy periwinkle
 * : : Madagascar periwinkle, rosy periwinkle

Etymology 3
Compound of.

Noun

 * 1) a specific date
 * 2) days
 * 1) days

Usage notes
Often spelled to avoid ambiguity.