English
amylopectin
From amylo- + pectin.
Proto-Indo-European *melh₂-
…
Ancient Greek μύλη ‘mill’
Ancient Greek ἄμῠλος ‘not ground at the mill: finely ground (of meal)’
Ancient Greek ἄμυλον
Latin amylum ‘starch’
English amylo-
Proto-Indo-European *peh₂ǵ- ‘to attach, fix, fasten’
…
Ancient Greek πηκτός ‘curdled’
Ancient Greek πηκτικός ‘curdling’
French acide pectique
French pectine
English pectin
Today it means
noun A highly branched, insoluble form of starch (the soluble form being amylose)
Language periods are conventional ranges, not dates for this word.
Etymograph / amylopectin