adverb
some ... and others ...; sometimes ... and at other times ...
Dated correlative construction, used as あるは...あるは... to list contrasting alternatives. Modern Japanese prefers あるいは or または.
See also: あるいは
昔の人は、あるは山へ、あるは海へと旅立った。
In the old days, some people set out for the mountains, and others for the sea.
conjunction
or; either ... or
Dated conjunction meaning 'or'; now largely replaced by あるいは or または.
See also: あるいは
あるは赤、あるは青、どちらかを選べ。
Either red or blue, choose one.