mejjati

to be fat, to be full of fat; fig. to be in love with or attracted by, to feel affection (this meaning only as a “petitio principii” to explain mettā) Dhs-a.192 (variant reading mijjati = siniyhati).

cp. Vedic midyati, to mid, see meda Dhtp.160, Dhtp.413 & Dhtm.641 give; mid with meaning “snehane”