Old Irish inis

← Proto-Celtic *enistī (inherited)

← Welsh ynys (cognate)

← Proto-Indo-European *en- (inherited)

← Proto-Indo-European *steh₂- (mention)

← Old Irish inis (mention)

→ Irish inis (inherited)

→ Scottish Gaelic innis (inherited)

→ Manx innis (inherited)

→ Manx insh (inherited)

→ Old Irish inis (mention)