Oinos (οινος)or krasi (κρασί). Krasi (pronounced "Krah-SEE") is more commonly used. Oinos is more archaic.
In Irish it's "fíon"
In Welsh it's "gwin"
In Scots Gaelic it's "fìon"
The Hebrew word for wine is "YAH-yin".
"Veritas" is not a Celtic word, it's a Latin word, and it means "truth"As in the Latin motto"In Vino Veritas""In wine is truth"
Yes you can purchase a wine basket from walmart stores. they sell a wine and cheese basket at walmart for $83.99 suitable for picnics. they also sell a low Celtic wine bar with baskets for home storage for $149.00
In Irish it's "fiáin"
Words relating to wine begining with the letter M - mulled
In Irish it's feall / brath
The Esperanto words for champagne and sparkling wine ĉampano and ŝaŭma vino.
I don't know if 'Green man' actually is used in Celtic languages. The wikipedia article mentions an ancient Celtic god called Viridios which may derive from 'green'.
'without an end' or 'by ourselves'
In Irish it's lúbra / cathair gríobhháin
The Esperanto words for malt liquor and wine cooler are malto likvoro and vino malvarmaj.
The outward signs for Holy Eucharist are the words the priest says when he blesses the bread and wine and the words he says when he gives the bread or wine. Another outward sign is the breaking of bread.
Irish: deirfiúr Scottish Gaelic: piuthar Welsh: chwaer