Radical 彡

9 strokes

須 鬚

hairs 彡 (573a) + page 页 (477) = have to 须

This can also mean “beard” (in which case the second traditional form applies).

必须 (162) bìxū must

He’s stuck hairs on the page to underline certain words (this is in the days before highlighter pens have been invented) but the librarian tells him to remove them. “Do I have to?” he wails (wondering how to remove the glue). / The giant whispers to him, “When my shoelaces got glue on them I just left them to soak in the pouring rain.”