The collection and study of postage stamps. Choose the most suitable ‘one word’ for the given expressions -

Philately (noun)
Meaning: The collection and study of postage stamps
Bangla meaning: ডাকটিকিট সংগ্রহ।
Origin: Mid 19th century from French philatélie, from philo- 'loving' + Greek ateleia 'exemption from payment' (from a- 'not' + telos 'toll, tax'), used to mean a franking mark or postage stamp exempting the recipient from payment.

Source: Oxford Dictionary & Bangla Academy Dictionary.