Literature Reference: 鹿鸣宴乐，或歌或舞，澍澍其雨，以祈以禳。——《诗经·小雅·鹿鸣之什·鹿鸣》 The deer feast and rejoice, singing and dancing, the timely rain falls, praying and offering sacrifices. Source from 'The Book of Songs: Xiao Ya·Lu Ming'.
澍: Timely rain. Uncommon characters, use with caution in names.
Meaning: Shu means timely rain, symbolizing blessings, nourishment, and hope.