and in Irish

(now, colloquial, or, literary) Used to connect more than two elements together in a chain, sometimes to stress the number of elements.

Used to connect certain numbers: connecting units when they precede tens (now dated); connecting shillings to pence in a monetary quantity (now historical); connecting tens and units to hundreds, thousands etc. (now often omitted in US); to connect fractions to wholes. [from 10th c.]

Used to connect certain numbers: connecting units when they precede tens (now dated); connecting shillings to pence in a monetary quantity (now historical); connecting tens and units to hundreds, thousands etc. (now often omitted in US); to connect fractions to wholes. [from 10th c.]