Obs. [ad. MDu. (also mod.Du.) onkosten pl., f. on- UN-1 4 b + kost COST sb.2 So G. unkosten.] Additional or incidental expenses. (Cf. ONCOST.)
c. 1480. Howard Househ. Bks. (Roxb.), 285. Paid for the aparayll of a chymeny . Item, for uncostes of the same to brynge it to the water syde, .xd.
1488. Acta Dom. Audit. (1839), 117/1. Þe Custemez, fraucht & vncostis maid be the said george of þe said malt.
15112. Acc. Ld. High Treas. Scot., IV. 334. For fraucht of sex kistis of sukkoure, and for the uncostis of thame fra the Feir to Leith.
1581. Burgh Rec. Edinb. (1882), IV. 217. The pryce he gaif thairfor with all vncostes maid thairon to be payit to him.