The story
First known use, by meaning
- from 19th c. A temporary projection of the cytoplasm of certain cells, such as phagocytes, or of certain unicellular organisms, such as amoebas, that serves in locomotion.
- from 19th c. A projection acting as a foot in certain insect larvae.
- from 20th c. An extension or projection from something.
Etymology from Wiktionary, CC BY-SA 4.0.