acorn

‘the fruit of the oak’

Lexical development traced from the Tamil root:

    E. æceren, ackern, hakern, nacorun < O.E. æcern ‘nut, mast of trees, acorn,’ related to Proto-G. akraz < ayk < agro- < Tamil akaram

Technical words derived from 'acorn'

acorn tube - கருவாலி வடிவக்குழல்