prot / proto
first
Greek · protos (πρῶτος)
Greek protos 'first'. Proto- words are about the first or earliest: a prototype is the first model, a protagonist is the first actor (main character), a protocol was first the first sheet glued to a document.
Memory trick
PROTO = FIRST in line: the first model is a PROTOtype.
Words from this root
- prototype (proto + type) — first model of somethingआदि रूप, प्रोटोटाइप
- protagonist (prot + agon + ist) — main character; first actorनायक, मुख्य पात्र
- protocol (proto + col) — rules for formal behaviour; first sheetप्रोटोकॉल, शिष्टाचार नियम
- proton (prot + on) — a first (basic) particle of atomsप्रोटॉन
- antiproton (anti + proton) — particle opposite of a protonप्रतिप्रोटॉन
- protozoan (proto + zo + an) — one-celled first animalएककोशिकीय जीव
- protein (prot + ein) — body-building nutrientप्रोटीन
- protease (prote + ase) — enzyme that breaks proteinsप्रोटीन तोड़ने वाला एंज़ाइम
- protactinium (prot + actinium) — element that decays to actiniumप्रोटैक्टिनियम तत्व