希
キ, ケ, まれ, のぞ, のぞみ

hope, beg, request, pray, beseech, Greece, dilute (acid), rare, few, phenomenal

JLPT2 G4 S7 F896

The relevant seal inscription form shows two sets of intersecting lines + 巾# cloth → long piece of cloth (compare 衣) with fine cross-stitches → *rare* (← rare, high-quality cloth) → *desire*/*hope* (← desire/hope to obtain something rare).

[Full Kanji Etymology List]