What is the meaning of Pang-?

classifier for trees, stalks, individual trunks of a banana plant, plants, rice seedlings.

(instrumentative prefix) forms nouns indicating a tool or an instrument that is used to perform the action expressed by the root

(adjectival prefix) forms relational adjectives indicating use or purpose

(Ordinal prefix) Used to form ordinal numbers

an action or a practice associated with the thing or action expressed by the root

Source: wiktionary.org