tetraalkylammonium

Etymology tree
Proto-Indo-European *kʷetwóres
Proto-Hellenic *kʷétwores
Ancient Greek τέσσᾰρες (téssăres)
Ancient Greek τετρᾰ- (tetră-)bor.
English tetra-
Akkadian 𒎎𒋆𒁉𒍣𒁕 (guḫlum)bor.
Aramaic כוחלא (kuḥlā)bor.
Arabic كُحْل (kuḥl)
Andalusian Arabic اَلْكُحُول (al-kuḥūl)bor.
Medieval Latin alcoholder.
Middle English alcofol
English alc(ohol)
Proto-Indo-European *swel-der.?
Ancient Greek ῡ̔́λη (hū́lē)der.
Frenchder.
English -yl
English alkyl
New Latin ammōniumbor.
English ammonium
English tetraalkylammonium
From tetra- + alkyl + ammonium.