มาตรา

system (of units of seize, time, volume, etc).
(law) distinct portion or provision of a law: article, section, etc. Abbreviation:
(Thai) category assigned to a syllable based on its ending sound:

Borrowed from Old Khmer mātrā borrowed from Sanskrit मात्रा (measure, small quantity, amount, degree).

Sanskrit

मात्रा

measure, small quantity, amount, degree

Spatial relations

Action/Process