punch (v.)youdaoicibaDictYouDict[punch 词源字典]
"to thrust, push; jostle;" also, "prod, to drive (cattle, etc.) by poking and prodding," late 14c., from Old French ponchonner "to punch, prick, stamp," from ponchon "pointed tool, piercing weapon" (see punch (n.1)). Meaning "to pierce, emboss with a tool" is from early 15c.; meaning "to stab, puncture" is from mid-15c. To punch a ticket, etc., is from mid-15c. To punch the clock "record one's arrival at or departure from the workplace using an automated timing device" is from 1900. Related: Punched; punching.
Perhaps you are some great big chief, who has a lot to say.
Who lords it o'er the common herd who chance to come your way;
Well, here is where your arrogance gets a dreadful shock,
When you march up, like a private, salute, and PUNCH THE CLOCK.

[from "Punch the Clock," by "The Skipper," "The Commercial Telegraphers' Journal," May 1912]
Specialized sense "to hit with the fist" first recorded 1520s. Compare Latin pugnare "to fight with the fists," from a root meaning "to pierce, sting." In English this was probably influenced by punish; "punch" or "punsch" for "punish" is found in documents from 14c.-15c.:
punchyth me, Lorde, and spare my blyssyd wyff Anne. [Coventry Mystery Plays, late 15c.]
To punch (someone) out "beat up" is from 1971.[punch etymology, punch origin, 英语词源]
thirty (adj.)youdaoicibaDictYouDict
late 14c. metathesis of thritti, from Old English þritig, from þri, þreo "three" (see three) + -tig "group of ten" (see -ty (1)). Similar formation in Old Frisian thritich, Old Saxon thritig, Dutch dertig, Old High German drizzug, German dreissig.

The Thirty Years' War (1842) was a religious power struggle waged 1618-48, mainly on German soil. The symbol -30- as printer and telegrapher's code to indicate the last sheet or line of copy or a dispatch is recorded from 1895. In 20c. jargon of newspaper journalism, it came to be a traditional sign-off signal and slang word for "the end."