Bodling on Nostr: We say last year, last month, last week, and last night. But we say yesterday. We ...

We say
last year,
last month,
last week, and
last night.

But we say yesterday.

We don't say
last day.

What's up with that?

(and, yes, we DO say yesteryear,
but that means 'a long time ago'
not 'the year before the current one.')