三さん股また

noun

forked stick; three-pronged stick

Refers to a stick or pole that splits into three branches, often used as a simple tool or support.

• 庭にわで三さん股またの枝えだを拾ひろって、洗せん濯たく物もの干ほしの支ささえにした。

  I picked up a forked branch in the garden and used it to prop up the laundry pole.