English
macrolactam
Macrolactam comes from English lactam.
- English1500–presentlactam
- Englishtodaymacrolactam
attested reconstructed ? uncertain or disputed
Earlier history not traced here.
Lineage
- English1500–presentlactam
- Englishtodaymacrolactam
Proto-Indo-European *meh₂ḱ- ‘to increase’
Proto-Indo-European *mh₂ḱrós ‘lean, meager’
Proto-Hellenic *makrós
Ancient Greek μακρός ‘long’
English macro-
Every English word from English lactam
Today it means
noun A macrocyclic lactam
Language periods are conventional ranges, not dates for this word.
Etymograph / English lactam / macrolactam