Where does “dram” come from?

Dram comes from Armenian դրամ, from Old Armenian դրամ, from Ancient Greek δραχμή, ultimately from Ancient Greek δράσσομαι meaning to grasp or seize.

dram (English): A small unit of weight, "variously:"; Any...

Definitions

dram traces back through 3 separate lines of ancestry.

Step	Language	Word	Meaning
1	Armenian	դրամ	money; dram
2	Old Armenian	դրամ	drachm; a coin of various weights; money
3	Middle Persian	𐭦𐭥𐭦𐭭	drachm
4	Ancient Greek	δραχμή	drachma; drachm
5	Ancient Greek	δράσσομαι	to grasp, take handfuls; I hold, seize; to hold,...
6	Proto-Indo-European	dreǵʰ-	to be unwilling, vexed

Step	Language	Word	Meaning
1	Old French	drame	—
2	Latin	drachma	drachma Ancient Greek coin, one hundredth of a
3	Doric Greek	δρᾰχμᾱ́	—

Step	Language	Word	Meaning
1	Middle English	dragme//dramme	—