Left: body part 月/肉, right: need/request 要 (A handbag 覀/西 is, what women 女 need.) [west 西 = Under the horizon 一 the sun 日 sinks 儿 at the sunset in the west.]
Mnemonic
(Asian women have less 'butt':) A body part of western 西 women is the waist.
The character for tall 大 shows a person 人 with outstretched arms 一. If you shift the lower strokes towards each other, you can get the: woman 女. The wider lower area can be understood as female hips?
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