English
gerontotherapeutic
From geronto- + therapeutic.
Formed from geronto- + therapeutic
Proto-Indo-European *ǵerh₂- ‘to grow old, to mature’
Proto-Indo-European *ǵérh₂onts ‘old’
Proto-Hellenic *géronts
Ancient Greek γέρων ‘old man’
English geronto-
Ancient Greek θερᾰ́πων ‘attendant, aide’
…
Ancient Greek θεραπευτής ‘one who waits on another, an attendant’
Ancient Greek θεραπευτικός ‘attentive, helpful, obliging, curative’
New Latin therapeuticus ‘curing, healing’
Middle English terapeucia
English therapeutic
Today it means
adj Of, relating to, or bearing efficacy in gerontotherapy.
Language periods are conventional ranges, not dates for this word.
Etymograph / gerontotherapeutic