In Irish it's "fiáin"
In Irish it's feall / brath
The Celtic word for seven varies among the different Celtic languages. In Irish, it is "seacht," in Scottish Gaelic, it is also "seachd," and in Welsh, it is "saith." Each of these words reflects the linguistic diversity within the Celtic language family.
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'
You can make 4 words out of "wild": wild, lid, id, and ild.
In Irish it's lúbra / cathair gríobhháin
Sovaĝaj and malsovaĝaj are the Esperanto words for wild and tame.
There are 66,934 words in the book "Warrior in the Wild".
Irish: deirfiúr Scottish Gaelic: piuthar Welsh: chwaer
Irish: aingeal Scots Gaelic: aingeal Welsh: angel
In Welsh: a enillwyd In Irish: tuillte In Scottish Gaelic: coisinnte
go deo (Irish)am byth (Welsh)