πολύτεκνος

ον
A. bearing many children, prolific, Τηθύς A. Pr. 137 (anap.), cf. Arist. HA 616b10.
2. consisting in many children, γενέθλη Nonn. D. 25.561.
II. epith. of rivers, giving increase, A. Supp. 1027 (lyr.).
Liddell, Scott & Jones
A Greek-English Lexicon, 1940
An open-access project