Where does “ծառզարդար” come from?

ծառզարդար (Old Armenian) comes from Old Armenian զարդարեմ, from Old Armenian զարդ, from Old Armenian արդ, from Proto-Indo-European h₂r̥-tu-.

ծառզարդար (Old Armenian): Palm Sunday

Definitions

Step	Language	Word	Meaning
1	Old Armenian	զարդարեմ	to adorn, to deck, to embellish, to fashion, to...
2	Old Armenian	զարդ	ornament, finery, embellishment, preparation,...
3	Old Armenian	արդ	shape, order; at present, now, presently,...
4	Proto-Indo-European	h₂r̥-tu-	—

ծառզարդար — Etymology, Origin & Word History | Etymology Explorer