'larvae-supportive' is a compound word formed from 'larvae' and 'supportive'. 'Larvae' originates from Latin 'larva', meaning 'ghost' or 'mask', referring to the immature form of insects. 'Supportive' comes from the Latin 'supportare', meaning 'to carry' or 'to bring up'.

The term 'larvae' was adopted into English from Latin in the 17th century, while 'supportive' evolved from Middle English 'supporten', which was derived from Old French 'supporter'.

Initially, 'larvae' referred to the immature stage of insects, and 'supportive' meant providing assistance. Combined, they describe an environment or condition that aids in the development of larvae.