kilderkin

[ kil-der-kin ]

/ ˈkɪl dər kɪn /

a unit of capacity, usually equal to half a barrel or two firkins.

an English unit of capacity, equal to 18 imperial gallons (82 liters).

Origin of kilderkin

1350–1400; Middle English, dissimilated variant of kinderkin < Middle Dutch, equivalent to kinder (≪ Arabic qinṭār quintal) + -kin -kin

kikuyu, kikwit, kil., kilauea, kildare, kilderkin, kiley, kilgore, kilij, kilim, kilimanjaro

Kilderkin, kil′dėr-kin, n. a small barrel: a liquid measure of 18 gallons.

Chambers's Twentieth Century Dictionary (part 2 of 4: E-M) |Various
We have adopted it as kilderkin, but have doubled its capacity.

The Romance of Words (4th ed.) |Ernest Weekley

kilderkin

/ (ˈkɪldəkɪn) /

an obsolete unit of liquid capacity equal to 16 or 18 Imperial gallons or of dry capacity equal to 16 or 18 wine gallons

a cask capable of holding a kilderkin

C14: from Middle Dutch kindekijn, from kintal hundredweight, from Medieval Latin quintale; see kentledge