Evening past?

The evening just passed - yesterday evening - relative to the event/time being talked about - d

It sounds unnatural to me. I have never heard the expression 'evening past', and there are no citations in either the British National Corpus or the Corpus of Contemporary American English.

I am sure that I quoted(from the subtitles) ,lip read and heard the same words.

I've often heard it. I presume its really meant to be evening passed.
Would that necessarily need a special entry? at any rate, it's certainly used.
d

As an answer to the question "What time did they arrive?", "Around 5 pm. Evening passed" does not sound very natural. Did the character say any words after 'Evening past/passed, silak?

I suppose it could well be past - meaning "evening (that is in the) past"."
that'll teach me to type and speak on the phone with my daughter's audio book playing!!
d

Babylon translates neithiwyr as "Neithiwyr = n. the evening past, last night"
d

I'm afraid I don't trust anything from a translation program.

It think it's just taken it from a Welsh-English dictionary - I can see it in one stamped by the Harvard College Library 1925
d

Here is the remaining part of the sentence.
A-What time did they arrive?

B-Around 5:00 P.M.,Evening past. I locked them in, and I left.(He is talking about the house and the ones he locked in the house are the children who had returned from a school trip at 5:00 P.M.)
Thanks!