The entrance-fee of a medieval trading guild; also, a toll or impost levied upon merchants or traders not of the guild.

More fully ingress-money: A payment on entrance into a society, college, etc.; an entrance fee.

A fee or liquor demanded of a person on entering a new position of employment or being admitted to a trade, society, etc. Frequently in to pay (for)…

the (single) payment due from those who become liverymen of a City of London livery company, distinguished from an annual subscription or…

A similar payment among workmen; also maiden-garnish.

The fee demanded of a ‘new chum’ (Prison slang), or that paid as described in quot. 1859 at sense 1.