Etymology

quantitive

Q10U1A1N1T1I1T1I1V4E1
Ask AI about its historyChatGPTClaudePerplexityGoogle AIGrok

The story

Diachronically, perhaps by no other route than haplology from quantitative; only by surface analysis (but not historically), quant + -i- + -tive.

Etymology from Wiktionary, CC BY-SA 4.0.