Definition of "unselfish"

There was certainly no harm in his travelling sixteen miles twice over on such an errand; but there was an air of foppery and nonsense in it which she could not approve. It did not accord with the rationality of plan, the moderation in expense, or even the unselfish warmth of heart, which she had believed herself to discern in him yesterday.

1815 December (indicated as 1816), [Jane Austen], chapter VII, in Emma: […], volume II, London: […] [Charles Roworth and James Moyes] for John Murray, page 114