centrosome
‘a small region of cytoplasm adjacent to the nucleus that contains the centrioles and serves to organize microtubules’
Lexical development traced from the Tamil root:
E. centrosome, centrosome < G. centrosoma < centro- ‘center’ < Lat. centrum ‘center’ (the fixed point of the two points of a drafting compass) < Gk. kentron ‘sharp point, goad, sting of a wasp’ < kentein ‘stitch’ + -some < sent < kent- < Tamil kaṇṭam
Other meaning: the small structure or body located at the centre of the aster during mitosis, the parts of which were subsequently distinguished as centriole, centrosome, and centrosphere.