ablactation

English

Etymology tree

Proto-Indo-European *h₂ep

Proto-Indo-European *-o

Proto-Indo-European *h₂epó

Proto-Italic *ap

Late Latin abder.

Late Latin ab-

Late Latin lac

Proto-Indo-European *-h₂

Proto-Indo-European *-éh₂

Proto-Indo-European *-yéti

Proto-Indo-European *-eh₂yéti

Proto-Italic *-āō

Late Latin -ō

Late Latin lactō

Late Latin ablactō

Proto-Indo-European *-tis

Proto-Indo-European *-Hō

Proto-Indo-European *-tiHō

Proto-Italic *-tiō

Late Latin -tiō

Late Latin ablactātiōder.

Middle English ablactacioun

English ablactation

From Middle English ablactacioun from Late Latin ablactatio, ablactō (“to wean”) from ab (“without”) + lacto (“suckle”),^[1] from lac (“milk”); equivalent to ab- +‎ lactation.

ablactation (countable and uncountable, plural ablactations)

The weaning of a child from the breast, or of young animals from their dam. [First attested from around (1350 to 1470).]^[1]
(obsolete, horticulture) Inarching. [Attested from the late 17^th century until the early 19^th century.]^[1]
(obsolete) a tempest

weaning

↑ ^1.0 ^1.1 ^1.2 Lesley Brown, editor-in-chief, William R. Trumble and Angus Stevenson, editors (2002), “ablactation”, in The Shorter Oxford English Dictionary on Historical Principles, 5th edition, Oxford; New York, N.Y.: Oxford University Press, →ISBN, page 5.

From ab- +‎ lactation.

ablactation f (plural ablactations)

(medicine) Interruption in secretion of breast milk, usually caused by a hormonal imbalance
(medicine, archaic) the weaning of a child