Partnership
来自Big Physics
Middle English: alteration of parcener ‘partner, joint heir’, from Anglo-Norman French parcener, based on Latin partitio(n- ) ‘partition’. The change in the first syllable was due to association with part.
wiktionary
From partner + -ship.
etymonline
partnership (n.)
1570s, "state or condition of being a partner," from partner (n.) + -ship. In the commercial sense, "association of two or more persons for carrying on a business," from c. 1700.