Although is a conjunction, so you use it to connect two clauses.
e.g. Although it was raining, we went out.
You can put it the other way round: We went out although it was raining.
Even though is a stronger form of although.
A pronoun for the ‘two of us’ i.e ‘wit’
Old English (c. 5th to 11th centuries) had a pronoun for ‘we-two’ or ‘I and another’. Here is a fascinating
