The hiragana syllable でゅ (dyu). Its equivalent in katakana is デュ (dyu).

to regard, to look upon / (uncommon) to see, to look

eye / look, appearance

to see

(childish) eye

eye

the hours after sunset until midnight, collectively: dusk, evening, and night / the eve of an event, especially of a festival

Shu (a former state and former dynasty in ancient China)

easy

a male given name