Shapely

wiktionary

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From Middle English schaply, schappely, schaplike, schapliche(“well-shaped, beautiful, attractive”), perhaps from Old English *ġesċeaplīċ(“according to design, proper, fit”) (suggested by Old English ġesċeaplīċe(“properly, fitting, well”)), equivalent to shape +‎ -ly.

etymonline

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shapely (adj.)

"well-formed, having a regular and pleasing shape," late 14c., from shape (n.) + -ly (1). Related: Shapeliness.