First attested 1408, perhaps a causative form of Middle English suken (“to suck”), or a back-formation from suckling (though this word is attested only from c. 1440).
suckle (plural suckles)
- (transitive) To give suck to; to nurse at the breast.
- The breasts of Hecuba When she did suckle Hector, looked not lovelier. Shakespeare
- They are not weak, suckled by Wisdom. Landor.
- (intransitive) To nurse; to suck.
to give suck to