English

picogram

From pico- + gram.

A compound of pico- + gram

Latin beccus ‘beak, bill’

Old Spanish bico

Spanish pico ‘beak, little bit, speck’

English pico-

Ancient Greek γράμμα ‘a small weight, a scruple’

French gramme

English gram

Today it means

noun An SI unit of mass equal to 10⁻¹² grams. Symbol: pg

Language periods are conventional ranges, not dates for this word.

Etymograph / picogram